I prefer Indica varieties when they're available, but I smoke Sativa a lot... Something odd happened to me the other day with a new blend of Sativa headies, though.
I went to a Floyd cover band concert a few days ago, smoked up a fat joint before I got there, and the high lasted for only about 2 hours. I have a low tolerance because I try to keep it that way- my highs last for 4-5 hours normally, but this ended abruptly at 2 hours. I smoked last night, some great headies, and it lasted for the normal 4-5 hours.
Anyone ever had this happen to them? I found it so utterly bizarre...