He wasn't single.
A voice from the back of the bar shouts back, "You don't have enough ammo, mate!"
Every night, he'd go out and drink until it was light.
They were boldly going where no man has gone before
Nothing, he's been told twice already. (And be cool, if you get the reference keep quiet and let em wonder.)
They'll tell you.
Because if it were invented anywhere else, it'd be called a teethbrush.