in-laws can be seen as interlopers who disturb the family’s equilibrium. Cindy Barber summed up this fact succinctly: I figured out a long time ago that the only trouble with in-laws is that they are not you. They don’t have the history you have. That’s what makes your family easier to deal with, because you know what to expect. But your in-laws’ biggest sin is they’re not you and they’re not your family.
