Redhen and Purpleroses, I agree with you both. I have the same thoughts too - I am more involved and "interested" in my DSSs than my DP appears to be in my DSs. So for example I make sure I go to all school things, esp if their mum and dad can't go - I don't work full time and they do, and these things often happen at 2 in the afternoon! He doesn't enjoy all that stuff for his own kids, so it's a struggle for him to be enthusiastic to go see a primary school play for my kids!
However, he spends more time building lego and stuff with all of them at the weekend, and digging dams with them on the beach on holiday, and making sure their computers work - not my forte..... We all have our strengths..
I too feel that we spend more time discussing his children than we do mine. But then actually it's because there is more to discuss. They have to deal with far more differing parenting styles as between DP and their mum than my children do, as my ex and I are much more on the same parenting wave length.
I also wonder what would happen if I was sick, and needed looking after. But then, what would happen if DP was sick and couldn't go out to work - that would be pretty dreadful too.
I KNOW that one of the reasons DP loves me is because I look after his children. He has said so on many many occasions
!