A: Because they can understand them.
He wanted to have drinks on the house.
How did I wind up here I don't know man just go with the flow.
He just added Acetic Acid until it became clear.
Ten. (Shame this one doesn't work too well for reddit - the funniest part of this joke is the third punchline enjoying people struggle to understand what the hell you're talking about.)
So men can remember them!
A brunette that's told one too many blonde jokes.
