Both my kids were HEAD WALL BANGERS when younger.... very strange LOL
My 2nd son (now 7) was a head-banger as a little boy. I honestly thought he was possessed for a while, because every time we started prayers, he would run into the kitchen and bang his head on the linoleum! He's pretty much outgrown it now, although he's in a phase where he hits things, sometimes with his head, when I tell him "no."
The reports on the hole-in-the-wall incident (somewhat garbled ...) indicate that Elen was cheerleading on her bed when she succumbed to Physics. Billy (the oldest son, 10) will get to learn wall repairs!
I think sometimes moms have more conflicts with girls because we're also female ... I know exactly what my daughters are thinking! You may not have the same type of conflicts with a boy, because you're different personality types.