You've just picked your kids up from school and your youngest enthusiastically demands they want to join the football team ... when only last week they wanted to join the chess club! "Ok honey, let's chat about this when we get home," is your immediate answer as what was once an easy decision becomes slightly more complicated now that you're separated! Negotiating with your ex can sometimes be like negotiating a convoy of aid through a war-torn country, so here are three tips to reaching an agreement on extra-curricular activities with your ex.