Excellent example.. My son found out not to put his hands near the edges of drawers and doors recently, luckily it was very mild not even a bruise, but it was a

Excellent example.. My son found out not to put his hands near the edges of drawers and doors recently, luckily it was very mild not even a bruise, but it was a shock to him that having your hand the wrong place could suddenly hurt, and I can see his changed behavior months later.