One might as well be hanged for a sheep as a lamb.
More French Proverbs:
The Fox's wiles will never enter the lion's head.French
Tread on a worm and it will turn.
French
He wears the mourning of his washerwoman.
French
The sheep that is too tame is sucked by too many lambs.
French
Two sparrows on the same ear of corn are not long friends.
French
If you want to love your household as much as your bread then you will have to knead your wife like dough.
French