The ass that is hungry eats thistles.
More Portuguese Proverbs:
Where you tell your secret you surrender your freedom.Portuguese
A woman and a hen are soon lost through gadding.
Portuguese
Better is my neighbour's hen than mine.
Portuguese
Beware of a man that does not talk and a dog that does not bark.
Portuguese
Change yourself, and fortune will change with you.
Portuguese
Rather a husband with one eye than with one son.
Portuguese