giàu vì bạn, sang vì vợ

Proverb

 * 1)  men tend to act rich to their friends, classy to their wives
 * 2)  men tend to put on different façades when dealing with their friends and their wives
 * 3)  men are rich thanks to their friends, classy thanks to their wives
 * 4)  friends and wives are invaluable to men

Usage notes
Since could mean either "for the sake of" or "due to", there are two interpretations of the same phrase.