1. There's no fighting over what to do because you have the same feelings about how you want to mix "doing things" and "doing nothing." You both go into any trips you plan with similar feelings about how much stuff you want to do and how much sitting in a beach chair while someone brings you margaritas you want to do. Planning your itinerary is always a question of when you'll do stuff, not what you'll do.
2. However, you don't have to do everything together. When you're traveling with your boyfriend, you basically never part company unless you're in a fight. But with your bestie, you feel totally fine splitting up for a few hours if you don't want to do the same thing one day.
3. Planning and logistical stuff isn't stressful. If you both like to plan, then all your bookings are split evenly and basically every day leading up to your trip involves an email from one of you with another suggestion for somewhere to stay or a place to eat.
4. You'll never argue over where to travel to, because you want to go everywhere together.
5. There's no arguing in general, really. You already know the few things you don't agree on and anticipate them ahead of time. Sure, you kind of cannot deal with the fact that she likes to get to the airport with 30 minutes to spare. But you know this, so you just meet at the airport and get there whatever time you want. Problem solved.
6. You don't mind sharing close quarters. When your family went on vacation to Spain, you found out just how small European hotel rooms are. Thankfully, sharing a room with your bestie is a lot better than sharing a room with your brother. You don't even need two beds! (But if you can get a two-bedroom Airbnb, no one's complaining.)
7. You can anticipate each other's every need. She's getting grumpy? You know it's the hanger talking, and you get her a pastry before she even realizes she needs it. It's lunchtime? She's already Yelped all the nearby places to find what has gluten-free stuff for you.
8. You are equally adventurous about trying new things. Fried noodles on the street in Bangkok? Let's share two kinds!
9. But you also don't mind repeating favorites once you find something you love. Of course we're going to eat breakfast at this cafe with the breakfast pizza every single day. Why would we go anywhere else?
10. You don't need a phone because who are you going to text? You're with the person you text all day.
11. You get to eat twice as many kinds of food because obviously you're sharing everything. Your boyfriend gets grumpy if you take more than two bites off his plate. Your bestie asks the waiter to please put both dishes in the middle.
12. Her road trip playlists are on point. Four hours straight of early 2000s hip-hop and R&B? Yes please!
13. You can pack fewer toiletries, because you can just share. She'll bring the toothpaste, you'll bring the conditioner, and you'll both have space for another pair of shoes.
14. You're in sync with your timing on everything from when you wake up to how long it takes to get ready, so no one's ever waiting around for the other person.
15. You are willing to splurge on the same stuff and save on other things. You don't mind staying in a smaller hotel—you know you're never going to be in the room anyway—so you only send her cheaper accommodation options. Meanwhile, she scopes out the very best restaurants in your destination, since food is your real passion.
16. You get to go see all the non-traditional attractions you want because she wants to see them too.
17. You feel the same way about partying. Maybe you both want to check out a new club every night until 4 a.m. Maybe you'd rather go out for a big meal with fancy cocktails and be asleep by midnight. Probably the second one.
18. Your selfie game is on point. You immediately move to the right so you both get your good sides. And you immediately upload all photos to your shared album.
19. You get to start stories with things like "when we went to Hong Kong" or "when we were in Boracay." Part of you feels obnoxious being those people. But mostly you love how you have memories in so many places with your favorite human.
20. You already know all the big and little stuff about each other, but now you'll learn all the in-between things. You already know that she needs cheese with every meal, is scared of umbrellas, and ate salad for lunch every day last week. But all the together time makes space for you to tell all the other stories you don't get to over your weekly dinners: the family vacation where you discovered you and your dad both kind of love Britney Spears unironically when you were 15, how she literally threw up when her third boyfriend asked if they were boyfriend/girlfriend, the exact moment when you each realized you were falling in friendlove.
This article originally appeared on Cosmopolitan.com. Minor edits have been made by the Cosmo.ph editors.