"He got lazy and tried to use the attempt to take me back as a reason for you recovering under his care. Didn't think about a replacement being called in, and he was just as surprised to learn it was going to be your mom... I'm... kinda surprised you didn't know. We were talking about it in the room with you... while I was taking a shit," you pointed out, not needing to add the last part, but wanting to just for the sake of it.