10: “I’m terrified he’s heading into his genetic propensity for addiction regardless of his upbringing.”

“I’m on the verge of empty nesting & watching both kids launch into life. My son left 2 years ago & has derailed into intoxicants & cigarette smoking. He works full time & has quit college. How do you make sense of this when he has not been modeled intoxicants as a lifestyle (& we live a fairly healthy lifestyle)- but came from a family where there’s rampant alcoholism & drug addiction? It has triggered all things I thought I left behind- when is experimentation in late teens just experimentation & not a threat of addiction? He’s currently addicted to cigarettes- not sure what else is going on. I’m trying to relax but honestly I’m terrified he’s heading into his genetic propensity for addiction regardless of his upbringing.”