Your Snapchat streak with each other is something you pride yourselves on and constantly brag about.
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In fact, cancelling plans with other people so you can FaceTime your best friend is totally normal.
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Sometimes you text each other old inside jokes just to remind yourselves that you're hysterical together.
NBC
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Talking via Snapchat, Instagram, and text simultaneously is a regular occurrence and not at all weird.
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Watching TV shows alone is never as fun, so you FaceTime each other and it's just like old times.
Fox
A lot of your time is spent recanting all the fun times you've had with your BFF to your new friends.
Paramount Pictures
Despite the distance, whenever something funny happens, you still instinctively look around for your BFF's reaction.
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You're in a constant state of jealously when you see your BFF hanging out with other people.
NBC
Even though you don't see each other all that often, you know everything happening in each other's lives.
Disney Channel
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You're always checking your clock to see what time it is where your friend lives and if it's an appropriate time to call them.
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Planning the next time you can visit each other takes hard work, dedication, and impressive planning skills.
NBC
You set aside part of your paycheck so you can afford a trip to see your BFF and make some more memories.
AMC
You're constantly tagging each other in every Facebook meme that remotely resembles your friendship.
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Most of your conversations start with an "I miss you" text and spiral into a full-on love fest.
Nora Dominick / BuzzFeed
Whenever your friend is in trouble, you're right there making sure they're completely okay.
NBC
When you're bored, you look through old photos of you and your BFF and remember all the fun adventures you've had.
NBC
In fact, you often spend hours just thinking about how much you miss your partner-in-crime.
Warner Bros.
Sometimes texting gets boring, so a surprise package filled with some of their favorite things always puts a smile on their face.
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Both of you keep long lists of all the things you'll do together when you reunite, whether it's watching a new TV show or going for drinks at a new bar.
Nickelodeon
And finally, when you do reunite with your BFF, it feels like absolutely no time has passed.
NBC