I wish my IL's were like yours. They told me I was the best thing that ever happened to H and now nothing at all. Don't really get that either.
Have they given you overt signs or spoken to you and let you know they don't like you?
Sometimes people just pull away because they don't want to interfere or they are uncomfortable talking about marital problems. People unconsciously don't want to "go there."
Me 45, H 46, S 23, M 26, Together 30, Bomb 6-2-08, S 6-19-08; H left 12-29-08. H home 12-09, Still MLC in 2012! Me- I have my big girl panties on. Bring it.