Way to be.
But in any case, i know nothing about tobacco so dont quote me here; but everything else on that list seems mighty easy to take a 10 day break from, provided you're ok with suffering for 10 days.
Ten days is nothing in terms of suffering.
I wanted to come in with a smartass comment about how everything is a substance, but you clarified right there in the op dangit.
The only other input i have is bet money then spend it on drugs.
Better yet cut out the middle man and bet drugs.