I've never had a tolerance. Ever. It takes me the same amount now as it did three years ago. Mix up the strains, you'll never build a tolerance.

I think you're getting used to the high. I know you hate to hear this, but 7 months is really just starting out. If you quit for a while, then yeah it'll be like it used to be back when you FIRST started out, but after a few sessions you just fall right back into it again.

Oh, and take a break.