All is fair in love and war.
More Spanish Proverbs:
Let those pater nosters be for your own soul. (Ironical, against swearing.)Spanish
Three strikes and you are out.
Spanish
With money you would not know yourself, without money nobody would know you.
Spanish
Limit your desires and you will improve your health.
Spanish
I have a good jacket in France.
Spanish
Were you at the wedding, Molly? No, mother, but the bride was very fine.
Spanish