When you look at the dinner, although the reality between W and Y put your wife and you in a difficult situation, you tried to control the situation and have dinner in a normal atmosphere. Maybe W wanted to see that he got more confidence and strength from you rather than his sister.
Lost pickup cover, if you have an animal friend at home, he may have taken it outside.
No animals and no children at home, that's the weirdest thing. I think this mystery will never be solved