Quote Originally Posted by Monty92 View Post
Yes, but almost entirely culturally driven. Jews don't tend to move far from their parents and remain emotionally wedded to them by virtue of seeing them so often. As a result the parents are consulted (or offer an opinion uninvited) on everything, from house purchases to the schools you send your kids to. You don't wanna be the Jew that has to tell your parents you're getting divorced.

There's other factors at play, obviously, but this is certainly an important one.
Also, I suppose in relatively close-knit communities, you'd be forever seeing your ex and former in-laws. No-one wants that.