I may have been a bit unclear in my "every family" comment - just meant that in every family, there's abnormality and this ideal "Leave It To Beaver/Father Knows Best" family that we're all supposed to aspire to...those families are few and far between, enough so to be virtually nonexistent.
I think, especially going back just a generation or two, that if you didn't have that kind of "perfect" family life, then there was something wrong with you, and something you should be ashamed of, and your best action was to put on a false public face of family "normalcy" at home.
In my family, I would reference things like:
An uncle who abandoned his wife and family, moved to another state, still married, and fathered upwards of 30 kids with his catting around. His funeral was a sight to see, with all his unknown kids showing up.
A grandmother who was so loopy on all the meds she'd take that she'd get in her car and wreck it at the same turn in the road, so much so that locals took to calling that turn "Edith's Curve."
An aunt who feigned suicide (overdoses) every time she didn't get her way...and who magically recovered, without medical assistance, once her husband acquiesced.
We all have these characters in our families, some funny, some tragic, some all that rolled up. That was my point. Anyone with difficult folks like that in their family, just don't think you're alone or unusual that way...we've all got 'em!