Old people aren’t built for VR. I know that placing a VR headset on your grandfather might seem like fun for the whole family, but you have to understand that you’re playing with fire here. Put him in a shooting game, he’s going to get a PTSD flashback to his time fighting the war in Korea. Put him in a porn game, he’s going to get a flashback to his time cheating on your grandma in Korea. Barring puzzle games, every VR experience risks awakening a latent fight or flight sense in your relative—and whether he gets horny or violent, it’s probably going to ruin Christmas.

That hasn’t stopped people from going for it, however. For some reason, people love placing their uncles in boxing games—and no, they really don’t know how to handle it.