DS is wunderkind, I know. But even so, he has some rather worrying behaviour.

Yesterday at Nursery he rugby-tackled a little girl to the floor and started to give her loads of kisses. Cute? Can you imagine if this was a couple of teenagers? Not cute. Luckily the girl in question, a few months DS's junior, found it hilarious, as did the nursery workers.

I don't. Well, it is cute at the moment, I suppose, but it is not behaviour I wish to encourage. If the children were 19 and 15 years rather than 19 and 15 months it would be classed as harrassment.

How can you gently discourage this? At home we're very kissy and we do play a bit of rough-and-tumble, but how to teach it's OK at home with consent but not to just random girls who take your fancy?