Your girlfriend’s mother doesn’t have to be a problem on your dates. Just make the old slut keep your cock lubed while you ass-fuck the young one.
It’ll keep your girlfriend’s mother from talking too much, it’ll keep your cock lubed, and it’ll impress your girlfriend. Sluts love it when you include their family in activities!
Make sure to make the old slut suck your cock while you and your girlfriend watch a movie later in the night as well.