It does suck that people are like this. I don't understand. Maybe you can trade W a night if it works for you. I don't think it makes you a doormat, it makes you think about your kids first. Can you have them Monday night and you can do your tree?
Me: 46 FWS: 36 Married and Divorced 4/07, Pregnant 7/07,False R 7/07 Baby Girl born 3/08 Kicked him out because OW: 7/08 5/10 He realized what he had and lost. Moved home! REMARRIED 3/14/11!!