drugs aren't dangerous, except to morons. You don't mix stimulants with other stimulants, you don't mix depressants with other depressants. I've become too good at it to die from it; I know the drugs I take down to their molecular structure and their exact pharmacology, pharmacokinetics, receptor affinity, half-lives, etc
In 300 years after technological advancement has eliminated all need for any labor, society will turn into a hedonistic drug-taking non-stop orgy
Oh you're not going to OD, you're going to kill yourself. You already tried to a week ago.