I'm sorry to hear about the difficulties your family is facing, ###. I’m going to be praying for you, your husband, and your daughters, asking God to manifest His presence in your household as never before. May the Lord comfort and strengthen you at this difficult time, and enable you to seek His solution in your situation.
How long have you been re-married for? Is this the re-adjustment period for your children? Have you heard of the book, The Smart Stepfamily, by Ron L. Deal? The author reveals the seven fundamental steps to blended family success and provides practical, realistic solutions to the issues you face as a stepfamily. Let me know if you need help locating it online.