I was a teen a few years back who stopped doing marijuana/alcohol. Stopped like in never even seen them since I quit/no relapse. I stopped because my childhood

I was a teen a few years back who stopped doing marijuana/alcohol. Stopped like in never even seen them since I quit/no relapse. I stopped because my childhood friends started dissipating and they stopped and then I stopped. Doing weed/alcohol alone didn't appeal to me much.