What have you to hide from someone who shows you his arse?
More Spanish Proverbs:
The treason pleases, but the traitors are odious.Spanish
A good man's pedigree is little hunted up.
Spanish
To deny everything is to confess everything.
Spanish
A girl draws more than a rope.
Spanish
Not everyone who wears spurs owns a horse.
Spanish
It is better to have bread left over than to run short of wine.
Spanish