Not Until You're At Least Twenty, Anyway.

Older Son (talking about kissing): ... but (boy classmate) and (girl classmate) kissed on the lips.
me (doing my best to be neutral): Oh?
Older Son: Yeah. Which was disgusting, because of germs. I will never kiss anyone on the lips.


Cue maternal relief...

I Myself Have Often Had Similar Thoughts.

me: What is your brother yelling about?
Older Son: Oh he wants to show me something, but I think it will be boring and so I'm not going.