Smileless2012
Welcome to GN WWWohW.
I think the first thing you need to do is forget about what's 'normal' when it comes to family relationships. Few parents I think have the same relationship with all of their children, and as it is with all relationships, a lot depends on personalities.
Just keep on doing what you're doing with one exception. Ask mum and dad for suggestions for presents then you wont see your current choices being re homed.
Keep on with what you're doing, seeing them when you can and entertaining the children the way you do when baby sitting. Try not to take the 'blame game' responses to heart. I found the post referring to you as baby sitters (you're the children's GP's) and not being happy with "rough and tumble" in their absence quite extraordinary.
Isn't that what GP's, especially grand fathers do with their GC?
The main thing is that you're maintaining a relationship with your son and his family, providing the opportunity for you to become closer with time.
You do care, if you didn't you wouldn't have posted so I think, maybe not consciously, that you're protecting yourself because your relationship with your son and d.i.l. isn't what you thought/hoped/imagined it would be, and differs to your other relationships.
Different isn't wrong, it's just different .
Well I agree with the "normal family" thing - what is normal?
Every family is different.
If you're babysitting, then look after them as you feel best, you sound very responsible and caring. Kids love a bit of rough and tumble.
If the adult children wish to flounce around, then let them.
Forget counselling - you haven't got the problem.
Forget the blame game - on some threads on here the GPS are always to blame.,,🙄