Have absolutely moving characters portrayed in a childhood film, then find porn of it on google images.
When they do something wrong, ask them to give a written letter explaining why they did it, and make them apologise in that letter. This works, believe me.
When a female clownfish dies, the dominant male becomes a female. Marlin should have been Nemo's new mom
Go to a Christmas fair with you victim (child) and when your victim is on a ride walk off with absolutely no reason leaving your victim behind. Have your victim run around the fair yelling your name and after 5 minutes saunter up to them pretending nothing has happened. Don't just do this at crowded shopping centers, fun parks, ikea etc. Source: It happened to me. All the time. From the age of 5.