Well, it seems like a mutual thing with the stepchildren, if I remember your sitch correctly. It's not like they're calling you at all hours, wanting a close relationship with you. I feel it would be respectful of their wishes for you to pull back and have a distant, but respectful, relationship.
M:29 H:30 M:2.5 years T:13 years No kids EA:11/2011 PA:01/2012 Bomb:02/2012 H starting another EA, I had enough and we seperate: 03/08/2012 Trying to decide what I want for a change...