ok I need some perspective here. This is the situation:
GSIL just traveled from up north to the South to visit FIL. MIL went at same time to “other locations” in the South but planned to meet up with GSILs family at FILs for the GDs bday. All’s well & good.
DH hasn’t spoken to his DM in literally a month. She telephoned before she left to go on and on about their trip but DH was working and due to time difference, late hr, and their early departure, he didn’t call when he got home. MIL said she’d be home the 28th.
In the last 10 days, we do not hear from MIL or FIL at all, not that we expect to. Of course it is unfair to mention that when either MIL or FIL visits here GSIL is talking to them constantly on their cell phones – past the point of annoying. Anyway, FIL leaves a msg Sat at 5pm saying he was “thinking about DH and hoped to talk to him soon, love you miss you”. Coincidentally, this is about the time GSIL would have just left to return to her home. DH doesn’t get msg until Sun (it was on voice mail) so he calls back & talks for 2 mins (FIL was in the middle of a project) but FIL never called back. DH decides to try his DM or would at least leave a msg for her. MIL answers. They have been home for several days because they were “tired of paying for hotels” He spoke to MIL for 2 mins then she had to go because “she was tired”
My DH becomes quiet, withdrawn a bit then just goes outside to scoop dog poop – which no one here does willingly

Now to my questions:
Is all this none of my business? If so do I just watch it repeat over and over again?
I know I cannot do anything to change my DHs relationship with is DP but as a parent, wouldn’t you want to know that your son is hurt BY you? It seems (from his description & observation) that he & his needs are just overlooked or secondary to others.
My DH carries resentment toward both his DPs but they don’t seem to care or know. Some of these hurts are from childhood YET ALSO continued on in the FOO/treatment of the gkids. He seems programmed to accept this… does it mean I have to?
After all is said and done I will next have to host these people after having our 2nd child in just a couple months – at which time THEIR needs will be the priority (to see their grandchild). Why? What about the fractured relationship with their son? Non- relationship with their DIL and PT association with our 5 yr old DD? Then they will be “FAAAAMily” telling everyone they are coming to visit “My son’s new baby” Who cares that in that time they will have only spoken 3 times usually about the greatness of GSILs life/children.
Maybe I’m hormonal but it all seems so fake – don’t they care about the reality of the situation? I KNOW GSIL was raised to think what She wanted/needs is most important (MIL in the past said “The squeaky wheel gets the grease” So apparently that means my DH thoughts feelings opinions were just disregarded always –maybe that’s why he hates GSIL so much.
Am I a jealous DIL? Am I the one "creating" the probelms? How do I stand by while my husband is hurt by these people?
I know this is all over the place and if you’ve actually read the whole thing and been able to follow along I appreciate it.