My aunt and uncle had two children; the oldest was the nicest person one could meet while the youngest was a terror diving into drugs and sex. Same environment with the same loving parents who never exhibited any different treatment for either of the kids. My aunt and uncle were constantly running off to see psychologists and therapists to no avail.
Sometimes it can be the parents but I’m convinced that sometimes it can just as easily be the mixture. Parents simply can’t be blamed for everything.
Same with my sister. She has 5 kids that run the whole range.
Agreed. The eternal nature versus nurture argument. I know of similar parents. It's puzzling and more than a bit scary -- the parents tried their darndest///