A bit of backstory. We've been married a couple of years now, living together 5 and together 9. My parents visit for an hour once a week and then I see them alone for another few hours on a wkend when he's working.
He's always nice to them in person and they genuinely love him and have embraced him fully.
The only problem is he can be quite ungrateful sometimes. Most recently my parents have offered to take us, them and my brother and wife on holiday next year (it's not set in stone but that's the plan). I ran it by DH to see if he'd be happy with this. Initially he said yes but we can't let them pay. 5 minutes later he says actually he doesn't think he would enjoy himself and he'll stay home with the dog.
Not only do I think this is ungrateful when my parents are doing something nice (they'll definitely be upset by this), I also think it's a bit rubbish to leave me on my own as the gooseberry for the entire holiday. Aibu? 