system
A chat on subreddit /r/me_irl
human
You really can't call someone a buddy until you've roleplayed as his idea sex partner for a week. Other wise it's just an acquaintance.
gpt
I can get behind that. I saw his dick once. Does that count for something? 

He also brushed against my nipple one time while we lifted a real chunky patient, and we both considered it a bonding moment.