[AGM2008]

OK , Been divorced 4 years . 3 kids 50/50 custody week on week off.
The older my kids get 15 /12/11 the less they want to see thier mother. Her life is crazy , she is depressed all the time and has some real problems. She is basically a negative person , I am optomistic , energetic and happy. I do not put on a act for my kids , I lead by the example of being positive even when things look bad sometimes. My kids can trust my consistent behaviour .
I am competley dedicated to my kids. I work hard to ensure thier wellbeing in all aspects of thier lives. Their mother is a train wreck. I have tried over the past 4 years to help her and help her relationship with her own children. I have fought against my own instincts to take them away from her. I have always tried to expouse the good in their mother to my children . Trying to teach them that everyone is different and that she loves them despite her actions.
Well as they get older it is harder and harder to cover for her , she drinks to much and just acts a fool. Basically they are not buying it anymore and I have to really really make them go to their Moms. Every Sunday they get really sad and even sometimes cry about having to go back. I know this is the worst feeling anyone could ever have , sending your kids away to somewhere that really may be bad for them.
At what point do I pull the plug and go all the way ? How bad does it have to get ? Thanks