Actually, Alex was spitting at the teat of her bottle of milk tonight, I can't explain what she was doing, but it was definitely rude and not drinking it properly, so I told her that if she did it again, I would take it away, and she did it, so I took it. woah, she screamed blue murder until I gave it back, but she didn't do it again. Perhaps I could try it with food, I wouldn't let her starve, just maybe take it away and get her out of the highchair until she behaves, then tell her that she can go back if she eats properly and see if it works, I will do it on the weekend with no distractions of other children and I will let you know if it works. As she is older, she will understand.