1.
You've suffered from accidental twin syndrome.
2.
In group situations you just need to share a glance to know they are thinking the same thing as you.
3.
And you always know when you're gonna need an emergency debrief in the toilet.
4.
You know their own romantic history better than you know your own.
5.
You know their type so well you can always tell if they'd fancy someone or not.
6.
You know all their signature dance moves and can impersonate them on demand.
7.
And you definitely have at least one song which you have a little synchronised dance to.
8.
Sometimes you weirdly crave the same foods at the same time.
9.
You can't lie to them, and they can't lie to you
10.
You hate all the same people.
11.
You have so many in-jokes that you basically have your own secret language.
12.
You watch series together like a couple and wouldn't dream of watching an episode without them.
13.
You always arrive together to all events.
14.
No one can invite you to a party without inviting them too.
15.
Nudity doesn't bother you at all any more.
16.
Same goes for most bodily functions.
17.
You don't need to ask how they are.
18.
And when they get upset, you get upset.
19.
You're not quite sure what you would do without them.
