I’m glad you get aroused watching me get ready for my date, honey. But I assure you you’re not even half as excited as I am.
You know that you should stop her from leaving with him, but instead all you say is "Yes sweetie -- if that's your decision. I'll pick you up whenever you're ready on Monday." Your wife smirks and laughs at your response, then goes back to be with him while you leave to go home alone.
[based on a MsTara original ]