Good son: ask him if he had sex with a girl before
From Create Your Own Story
"I haven´t," Kevin says. "I am too focused on football right now, so I don´t really have time for girls. You don´t play football right?
You tell him you don´t. You ask him if there is something about playing football he doesn´t like.
"Taking a shower after games is kinda awkward. I am kinda worried I might get hard. Did something like that ever happen to you?" he asks.
good son: never happened to you
good son: you got hard while taking a shower after gym class