• After college, my best friend and I committed to going on a trip together every year.
• It's been a great way to stay connected and make new memories, even as our lives change.
• Our trips are more relaxed in our 30s than they were in our 20s, but they've all been wonderful.

I'm a firm believer that there are some people in this world you're simply destined to meet and have in your life forever. For me, one of those people is my sorority-Little-turned-soul-sister, Lisa.

After bonding over many things during recruitment sophomore year — including our shared love for Blink-182 and punk rock — we both unknowingly wrote down on the get-to-know-you quizzes for the committee that we hoped to be paired as Big and Little sisters.

We were, and the rest is history. Our college days were constantly filled with plans together, and by graduation, we couldn't imagine embarking on this next phase of adulthood with over 180 miles between us.

She's from the Boston area, while I'm from Connecticut and moved to New York City right after college. So, we agreed to prioritize our friendship and made a pact to spend time together in person every year.

Since graduating in 2015, we've planned a getaway together every summer.

Our trips haven't always looked the same, but they have some constants

Right out of college, Lisa and I looked forward to a few sun-drenched days spent catching up on Long Beach Island, New Jersey.

From the Victoria Guest House to the Engleside Inn, we'd book a charming yet affordable place steps away from the beach to spend long days working on our tans, cranking up the tunes, and sipping spiked seltzers.

At night, we'd head out for bar hopping and dancing to live music until the wee hours of the morning. The next day, we would rinse and repeat.

We initially chose the Jersey Shore because it's an easy ride to perfect summer weather and beautiful beaches. It became our go-to place, though we now switch up locations every now and then.

Fast-forward to more than a decade after graduating from college, and our summer tradition is still going strong — but it looks quite different.

For this year's getaway, we stayed in a charming room at Greydon House in downtown Nantucket, Massachusetts. (We've always taken the aesthetics of our accommodations seriously and became obsessed with B&Bs and boutique hotels early on.)

We brunched at Lemon Press, popped into all of the boutiques (and shopped for Lisa's little ones), enjoyed early afternoon cocktails at CRU (the restaurant's signature Crucomber cocktail was a must), pedaled our beach cruisers past the hydrangea-lined shingled homes, and relaxed at the beach while we gabbed and reminisced.

Although we're no longer partying like it's 2015, we've come to genuinely enjoy an early dinner reservation at an aesthetically pleasing restaurant, plus after-dinner cocktails. A perfect night usually includes slipping into our PJs and streaming a chick flick.

We're also more organized these days, sticking to a well-planned itinerary to ensure our experience is top-notch.

In fact, we both watched "Five Star Weekend" before heading to Nantucket and knew we absolutely had to grab morning buns from Wicked Island Bakery. (If you know, you know!)

Above all, we don't let life get in the way of our friendship or summer tradition

Our lives look very different now that we're in our 30s. Lisa married her high-school sweetheart and is a mom of two, while my husband and I recently purchased our first home and have been tackling countless renovation projects in between doing lots of travel.

It takes true commitment from Lisa and me to carve out time for our tradition amid this hectic stage of adulthood — and it's always well worth it.

We know the importance of prioritizing our time together and start planning our trip in the early spring so we can block off a time that works for both of us in the summer.

While, like fine wine, our getaways have improved in the best way, one thing has always remained the same: We still talk, let our hair down, and laugh until our sides hurt from start to finish.

There's rarely a moment of silence, and when there is, it feels completely natural.

We can go weeks or even months without gabbing and somehow always pick up where we left off. We listen, give advice, and discuss what we both have planned in the near and distant future. We celebrate each other's successes and offer endless support.

Our friendship has grown with us and is incredibly strong; it's exactly what a best friendship should be. Of course, our summer tradition is here to stay.

• During my senior year of college, my 24-year-old brother became my roommate.
• Living together seemed like a crazy idea, but he ended up becoming a safe space for me in the house.
• The experience brought us closer and made me less afraid of postgrad life.

Before heading out to the bar on our final day of junior year at the University of Maryland, I sat in my empty college apartment with my friends, laughing over a dumb sitcom while scrolling on our phones.

Half of our stuff was in boxes as we were preparing to move into our very own house for the next school year. We fantasized about the parties we would throw and the decorating we would do.

But then, two months later, everything was turned upside down when one friend backed out and moved to Wisconsin to pursue a new career path. We were scrambling to find a replacement, but luckily, we weren't the only ones looking for a roommate.

When I was talking to my mom about the situation, my 24-year-old brother, who was three years out of college, was on the other end of the phone. Turns out, he was trying to find a place to live after his arrangements in Baltimore — about 40 minutes from my school — changed at the last minute.

My mom listened to both her children in a state of panic and was able to solve both problems with the most cruel suggestion a college girl could ever hear. "Why don't you move in together?"

Sure, that's just how every girl wants to spend her senior year of college. It was my parents' dream and my own nightmare.

My brother and I are close, but this still seemed like a crazy idea. However, we'd already signed a lease and didn't want to cover the rent for our friend who moved away. So, my brother and I talked on the phone, toying with the idea, before meeting up for lunch and deciding to officially become roommates for the first time since high school.

Despite any hesitations, once the summer ended, we all moved into the house together.

Suddenly, my senior year of college looked less like a coming-of-age movie and more like an episode of "New Girl." Three college girls and my older brother, all under one roof.

My brother became an unexpected safe space for me

Whenever my brother and I told people we were living together, we got some crazy looks. There were a lot of questions for him about how he could live with a bunch of college girls and function as a full-time adult. There were also a lot of questions for me, a full-blown party girl, about whether I would feel uncomfortable living with my overprotective brother.

We were living different lives and were on completely different pages — or so we thought. Surprisingly, after moving in, there were moments when I was thankful my brother was there.

When I had a falling-out with my roommates around the second half of the school year, and tensions grew, my brother was there to have my back. The living room no longer felt like a safe space, so I would go to his room instead.

Then, six months into our living arrangement, I got news that one roommate had received a full-time job offer, while the other was accepted into graduate school. Meanwhile, I was a straight-A student with four different internships, who was going to be completely jobless.

It felt unfair and difficult to speak with my friends about my unemployment and fear of adulthood since they couldn't relate. So, in these moments, I ended up going to my brother, since he had gone through the same situation a few years back when he was finishing school.

As I learned more about his life, his perspective helped me navigate my own experiences — and brought us closer, too.

Fast-forward a couple of months, and my brother and I spent the majority of our time at home laughing on the couch, watching reality television, and talking about our weekday struggles. While I was struggling to find a job, my brother was struggling with his work as an elementary school teacher.

When I was complaining about guys, he was telling me about his dating failures. Sure, living together while navigating our respective romantic lives was occasionally awkward, but we did our best to keep our flings from crossing paths.

Before long, we were both spending our Sundays hungover on the couch, debriefing our weekends. Although my brother may not have found the same common ground with the other girls I was living with — who were practically strangers to him — we were closer than we've ever been.

Living with my brother made me less afraid of life after college

Spending this much time with my brother alleviated any fears I had of adulthood.

His day-to-day life wasn't too different from mine, but while I was attending classes as a student, he was leading them as a teacher. Although I had no plans to become an educator, he gave me advice on navigating the workforce and figuring out how to be a grown-up.

More than anything, he showed me that postgrad life could still be fun. I could go to the gym and blast my music, grab drinks with friends, and binge-watch my favorite shows. The difference was that life felt a little more elevated, with new opportunities to step outside my college bubble.

At the end of the day, he taught me that the problems we face after college are not so different from the ones we had in college. Whether someone is newly postgrad, graduated 10 years ago, or is still completing their studies, we are all figuring things out in our own way.

We now live in different cities with our significant others, but spending a year together created a bond that makes my brother feel more like my best friend than a sibling.

We still talk every day, and now we get to laugh with each other's partners about the realities of living with us. After all, we've both been there.