People should never feel obligated to have sex.
Jean's husband Pete's birthday is today, and he' asked her if she wants to make love, but she is tired.
Jean wants to answer Pete's question.
Jeans let's Pete know she is exhausted but would like to have a rain-check, and he is understanding.
Jean tell's Pete to just hurry and get it over with, so she has sex with him, but isn't into it.
Jean is happy Pete respected her enough not to press the issue and sees him as a good man.
Jean feels used after Pete is finished and see's him as selfish.