My DS is 3.5, spirited, willful and bright. He copes for about an hour at a playdate, providing I interact equally with him and the other parent. After which time his behaviour deteriorates significantly. He has told me he does it because he wants them to go home, or he wants my attention. Any tips for lengthening the good behaviour. I dont really want to be asking people to come over only for an hour at a time. Thanks