I don't know the answer, but my husband decided to marry me and raise my 3 children with me. We now also have 2 children together and I don't think that he treats mine any differently than he treats ours - he is an amazing father to all of them...
Good luck!
Rachel Inbar
mom of 5 - ages 13-1/2, 11, 11, 2-1/2 & 1-1/2