Yeah sure tell her before, this is just silly
Her: I'm horny!
Him: Ok lets have sex! :)
Her: Yay, lets go!
Him: Woah, hold up! There's something I gotta tell you first!
Her: Ok what?
Him: It's about my penis... :\
Her: omg is it tiny?
Him: Er, no... :(
Her: Is it too big??
Him: No that's not it...
Her: what then???
Him: ....IT'S, FUCKING CURVED! D:
Her: ........Okay?
Srsly no one gives even half a shit