My son-in-law recently celebrated a birthday ... the Big 26! I had planned on cooking him a nice dinner, but life got in the way, time ran out, and I ended up ordering pizza instead. Fortunately, few people complain when you order pizza for dinner!
While we waited on the pizza to be delivered, I had him put together some bar stools I had just bought. I reupholstered the seats (to better match the kitchen) while he (and my son) put the the stools together. I have no qualms about using my daughter's boyfriends and/or husbands as slave labor ... even on their birthday. My mantra has always been "If you want my daughter, you work for me!"