Deuteronomy 20
6 Ref What man is there who has planted a vineyard, and has not used the fruit of it? let him go and return to his house, lest he die in the battle, and another man use the fruit of it.
7 Ref What man is there who has pledged to be married a wife, and has not taken her? let him go and return to his house, lest he die in the battle, and another man take her.