I know it's common but my 22mth ds hit me round the face at a softplay session today in front of another parent. It was v painful and I was so shocked I didn't know what to do. He laughed and tried to do it again. He then went to hit her child which he's never done before. She ushered her child away and I was so embaressed. He's done a bit of hitting but nothing like this. I think he was jealous as I was talking to the parent and child. What should I have done?