Claire, I'm not a mum so am probably out of my league here. For what it's worth, I think there is a danger in letting this to H - as he may perceive it as you trying to make him feel guilty. Does your D see her dad? If so, she may well be saying this to him anyway.
H 37 Me 36 Together 15 years Married 5 years No kids BD Apr 2014 H moved out 2 Jun 2014