It's nice to forgive someone.
Dave's wife had recently accidentally dropped and broken a mug that Dave loved and is profusely apologizing to Dave.
Dave wants to react to his wife's apology.
Dave tells his wife that it's OK and that it's just a thing and things don't matter and that everything is OK between them.
Dave tells his wife that he's so mad he can't stop thinking about it and to stop talking to him right now.
Dave's wife is relieved to hear that Dave isn't mad and isn't going to hold the accident against her.
Dave's wife is scared that Dave is way too angry and is even more saddened about breaking the mug.