Malachi 2:2

2:2 If you do not listen and take seriously the need to honor my name,” says the Lord who rules over all, “I will send judgment on you and turn your blessings into curses – indeed, I have already done so because you are not taking it to heart.

Malachi 2:14

2:14 Yet you ask, “Why?” The Lord is testifying against you on behalf of the wife you married when you were young, to whom you have become unfaithful even though she is your companion and wife by law.