I get the same thing. Life's just pretty dull when weed isn't around. However, I think it's quite psychological, as when I have weed in my possession and I am sober, I am usually happy just knowing it is there.

After starting university last year, I have pretty much been stoned every day. I was hoping to cut down when I got home for summer holidays, but I've been smoking just as much as I was at uni. Oops! I wish I had my own plant; the money scenario is the only thing stopping me from smoking more. :P