1. You are each other's only friend or at most, one of few
2. It is a miracle you even made friends and kept in touch in the first place
3. If you met in high school, it may have been at the back of one of your classes, where you both attempted to avoid attention
4. Your friend may likely be the only person you talk to all day
5. When you go out together, you compare how long it's been since each of you have left the house
6. You make joint New Year's resolutions to make new friends this year, and then again, the following year
7. You make dates to Skype, but not talk, and instead do work
8. When you "hang out," you go to coffee shops to read, draw, write poetry or knit
9. You didn't go to prom, together
10. You probably didn't go to one cool high school party, or if you did, you instantly regretted it
11. Your high school parties consisted of you trying a new recipe on a blog and then watching TV
Or just blogging and TV watching in general.
12. After you go out with other people, you both need twice as much time to recharge and be alone after
13. When you're together, your throat gets hoarse because it is the most time you ever talk to anyone
14. You are not offended if your friend cancels on you; instead, you use the opportunity for some alone time
15. Other people are surprised when they see you together, because you're actually talkative and have a personality
16. You bonded over not being able to relate to other conversations
17. Somehow you always end up talking about life and death
18. Until you met your friend, you mainly had friends who you would feign sociability and common interests with
Including, but not limited to: matching customized T-shirts, shopping, slumber parties and gossiping about other people