I was talking to P about how people gossip - or 'mistaken', a nicer word to use - you when you are walking with another person. People can be really mean if they want to:
Say you are a girl, and
You are walking with a guy
"Oooo... are you guys going out?"
You are walking with a girl
"....uh.. are you les?"
You are walking with your parents
"Such a baby."
You are walking with your sibling
"You have no friends."
Finally, you walk alone this time
"Hmph, what a loner."