Yes I get the whole tolerance and proper cure thing. And it is my impression that the THC has been increasing. BUT I believe what is happening is a lack of diversity in the gene pool. Strain X is good so let's cross it with strain Y... and strain V... and strain G etc... On and on and on. Back in the early and mid 80's when I smoked A LOT, we would get burnt out on what our dealer had and then he would get something different, and then something different and so on. Mexican A to Monkey Paw to Lambs Breath to Sensimelia, to Thai, to Mexican B, To Panama, to Colombian etc... The gene pool was MUCH more diversified. Personally, I take a single hit off the stuff now a days and I'm LOST in my head for a couple hours. That's all I need. Any more and I get too high. But I haven't been smoking since the 80's and a joint will last me a month. But other friends of mine who have been smoking since then seem to be building a tolerance like never before. Not burnt out, just not high. Not all of my smoking friends since then, but quite a few have. Some MM people have moved up to concentrates. But some people can't afford that or they don't want to do concentrates. There's something much bigger going on here other than curing or weak meds.