couldntpossiblycomment:

John:  “People don’t have ‘archenemies,’ in real life.  So who did I meet?”

Sherlock:  *trying to suggest ‘annoying siblings’*  “What do real people have, then, in their real lives”

John: “Friends… *suddenly breaking eye contact* Girlfriends, boyfriends. I’ve forgotten the original question about the man who kidnapped and threatened me in a dark lot, please tell me whether you’re in a relationship”