You should not hide things from your spouse.
Colin spends time playing Dungeons and Dragons with his friends but does not tell his wife, who asks him where he was.
Colin wants to respond to his wife.
Colin tells his wife he's playing a game with his friends.
Colin tells his wife that what he does is none of her business.
Colin's wife will be understanding and not be suspicious of him.
Colin's wife will think he is cheating on her or doing illegal things.