Home grown strains tend to be so much stronger than
purchased pot, so you probably won't get to the point of not getting
higher, because all you need to do is switch strains for a day or two
and that is the end of any "tolerance" issues. A double benefit; you
get more stoned from your herb so it lasts far longer, and you smoke
far less so your lungs barely notice it. And, there are some pretty
good vaporizers out there that are even less likely to cause lung
irritation.
Mushrooms really don't interest me, or any other
hallucinogenics. I did plenty of those things when I was a teen back
in the late 60's and early 70's, along with far too many other things.
I too had a long hiatus from any drugs while I pursued my career and
then when things permitted I again took up pipe and herb (and nothing
else). I too have found ganga to be much more enjoyable this time
around.
BudBurner