The only legitimate reason for this is morning wood. And there are techniques for that too, so this js really unnecessary.
>implying he has a sink
Said technique being "point at toilet"?
Wtfno.Guys can't exactly control when they have a boner.
touching/resting your junk on stuff is why you idiots get STDs god damnit.
I'd be impressed if your inanimate sink was not only loveually active, but a carrier of STD's as well. Either that, or I'm not sure you understand what STD's are.