Initially you explore... buying things to try.
You find things you like and buy more.
If this trend continues long enough... buying more than you smoke;
You have become a collector.
I collect them to have the opportunity to smoke them over my forseable life/smoking career.
In the movie Bicentennial man, Andrew was finally granted acknowledgment that he was human and thus the oldest recorded living human being at 200 years old.
My plan also seems to incorporate breaking that record.