Also be aware that you will have a whole new set of issues with step children.
There is nothing wrong with dating a divorced man and you can have a wonderful relationship, if you go into it with your eye wide open and know what to expect.
You knew about his obligations to his children before you married him.When I felt bad and bought them a few outfits with my own money and she had the balls to demand I give up the reciepts so she could take them back and use the money for her own needs. When I went 2 winters with out heat so she could get her BOAT FIXED, Go on a cruise, spend the holidays in NEW YORK CITY. Even more sadly though, through all of it I would have not minded as long as the kids had what they needed and not been the least bit bitchy about going with out.