THe gift came up ahead of time WhatNow, Ken was HINTING that he WANTED her to buy him a gift... THAT is a BIG NO NO
Don't even ASK for fidelity, unless its as a calous truth dart like my sample above...
Your wife is lying to you and cheating on you ken, and its putting yoru kids through a LOT of uncomfortable tension... And you ask your wife to buy you a gift?