12.If one of you wants food, you're both getting food.
13.It is understood that whoever pays for the meal (pizza, tacos, cake, etc.) gets the last bite or piece, unless otherwise offered.
14.You don't bother to knock on their door anymore. You just walk right in.
15.The two of you have a song and whenever it comes on you must dance to it, regardless of where and when.
16.They know better than to watch a certain show without you.
17.At this point, there is literally nothing off limits anymore. LITERALLY nothing.
18.You feel weird when you go too long without talking.
19.You always answer the phone when they call because maybe they're on fire or a crazy murderer is chasing them and they need your help. Or, you know, maybe they murdered someone. Either way, you're picking up.
20.You basically know everything about each other because you share all of your secrets.
21.You are always looking out for them. Even if you have to be the bad guy and slap them for being stupid because both of you know it's done out of love.
22.You turn to them for expert advice on subjects they are definitely not experts in, like science, mathematics, and... relationships.
23.They know better than to go after someone you're crushing on. And they definitely know better than to talk to your ex.
24.There is a no judgment clause that both of you understand and follow at all times.
25.You've pretended to be in a relationship with them when they were getting hit on by someone they were not interested in.
26.You've defended their honor when someone was talking shit behind their back.
27.They've given you the last fry from the shared fries box because you were having a bad day.
28.They've covered one of your lies with an elaborate story to make it sound more legit.
29.They know whether or not you're actually drunk and can drink more or need to be cut off.
30.You've done something stupid, and then they did that same stupid thing so you wouldn't look stupid.
31.It's understood that when one of you gets hurt, the other person can laugh in order to distract from the pain/embarrassment. But also because it's funny.
32.And the final sign that you've found your best friend for life is that you trust them more than you trust anyone else.
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