You have a proud son named Hans that married a demihuman into the family she is a pretty sweet woman with cat ears and a fluffy tail her name was Leona a adventurer and now your daughter in law,few months later you noticed her blushing a lot near you or your son or in particular any guys in the vicinity right now, you confront her about it, she's flustered bur answered

"I apologize father in law but..today is the day me and your son are supposed to.."be together" and he's quite busy"