Things I May No Longer Do While Playing III: I May Not Iron Heart Surge Rule Zero

[big teej]

*As a DM, not to make rules for fictional drugs and the penalties (and possible bonuses) they cause.
*If I do so, I can expect at least one PC to be addicted to something.
*Dug dealers are not druids, even though many drugs are made from plants.
*Similarly, not all fey are hippies.
*A mind flayer doesn't get high if it eats an addict's brain.

but.... we already have rules for drugs...