I don't know if this is the right sub to ask, but l've noticed a trend and I'm curious if there's a reason- Take the case of a girl I know, who's dad was completely normal up until his 40s, when he then divorced his wife, was admitted to a psychiatric hospital for depression and schizophrenia, and then recently died. or the case of my mom's coworker, who in his 40s got divorced, started abusing substances, and is currently in and out of rehab i don't know if this is all a coincidence, or if there's an actual cause?

is there any reason in particular that a lot of men in their 40s/50s tend to decline really fast?