analogous

slade: when will i be old enough to go on facebook? me: not anytime soon. good lord...

slade: what is it, anyway? you wouldn't believe how many people in my school go on facebook! they're always talking about it.

me: yeah well, in a few years, you won't believe how many people in your school have gonorrhea.

slade: ...

me: you're not getting on facebook.