The best and worse thing is having friends. It nice to have friends, but you can tell you just don't belong. No one invites you with open arms or comes to check on you.
When you're quiet, no one really cares. You know they are saying well they're rude, but the thing is they never say to themselves are they okay. Everyone just expects you to be happy go lucky all time whenever they feel like talking to you.

No one ever really thinks of the well being of the other person, only how they feel. So me? I walk alone and never intrude unless invited.