ACT AS IF you are going about your interesting life. In fact, this is an opportunity to put a little doubt in his mind.
Note: I am NOT suggesting dating other people, but it might not hurt to let him WONDER if he might lose you to someone else. (They usually think we are just waiting on the shelf, pining for them, a safe Plan B. It doesn't occur to them that what is good for the goose is good for the gander or vice versa).
Some things you can do: Set the stage - house is clean, warm, inviting. Stage it like you would for a house sale. Good smells etc.
Leave some clues. Sexy new lingerie drying in the bathroom ("Hmmm, is some other man enjoying her in that new lingerie?"). "Accidentally leave out a pair of used wine glasses and an empty wine bottle ("did she have a man over?").
While he has your daughter, let him see you dressed up, perfume, looking ready for a date as you go out the door. If he asks what you are doing you are "meeting a friend. You don't know them". Then go out, even if it's just to the library.
Sometimes WASs reconsider when they feel the pain of seeing their LB dating someone else. Usually it's too late then. So again, not suggesting you date, but plant a seed of doubt in his mind.
