Help I dont know what to do

Help I am at a point where my life is si MISERABLE I dont know how much more to take.What am I responsible for as far as all the loans his truck,he had the house 11 years before he met me,But refinanced,2 side loans he has 2 maxed out credit cards.I have 2 children to raise I cant afford to take on all this extra debt.The children are not his.His parents will pay his bills and lawyer fees for him,He is a MAMMAS boy.