Losing it in weight and life

I have exercised every day this week so far and I am having a hard time wanting to do anything today after yesterdays events in this family. I am down to 249 pounds but I can't feel very excited about it. Last night my husband called me while I was at the gym to tell me that my oldest child doesn't want to live with us anymore. I left the gym to come home and do some damage control in hopes of keeping my oldest with us. There is constant fighting and now I don't want to leave my oldest at home when I go anywhere but I can't take her everywhere with me. That leaves me in a spot of what to do...