1.
You have the same twisted, immature sense of humor and no one thinks it's funny except for you.
2.
You're so distinctly similar at parties that people get the two of you confused.
3.
You have full permission to fix their hair and makeup when they look like total shit.
4.
You love celebrating her birthday so much it feels like your birthday, too.
5.
You've grown accustomed to her weird habits and know her naked body all too well.
6.
You never think twice about sharing personal things like bras, razors, and deodorant.
7.
It feels like you own two closets since you share the same exact sense of style.
8.
You're brutally honest when one of you is being dumb AF. What rough, sibling love.
9.
Gossiping is so easy because you literally hate all of the same people.
10.
You even make fun of your parents together because you pretty much share them.
11.
Your periods are often on the same cycle which is definitely science telling you you're related.
12.
You know exactly what her body language reveals about her emotions.
13.
Everyone knows to send her your way when she's having a rough night.
14.
Your exercise routines tend to be totally in sync.
15.
You loved the same toys and movies as a child, so clearly you had similar upbringings.
16.
You have her favorite drink ordered before she even makes it to the bar.
17.
And you have the same idea of how to end your night out.
18.
It's so easy to live together that you should have been doing it your whole life.
19.
When you're apart for too long your life just feels unbalanced, like half of your brain is missing.
20.
It's probably because you're telepathically connected. It must be a sister thing.
21.
It's honestly an injustice to refer to yourselves as best friends.
22.
Since clearly your relationship surpasses any level of friendship that exists.
23.
It's only fair to say you were separated at birth. Thank goodness you've found each other.
