I totally agree with you. I started smoking when I was 14 and my use only increased exponentially over time. I was an honors student all throughout high school, played 2-3 sports for all four years, was a volunteer EMT at the age of 16, and exercised on my own almost every day. I'm 19 now, and have been smoking 1-2 times almost everyday since I went to college. I am still an honors student, have a job, exercise every other day, do jiu jitsu 2-3 times a week, practice yoga everyday, and engage in my hobbies (gloving and arts and crafts) frequently. I no longer drink alcohol at all, and my diet is extremely healthy (whole foods, vegetarian diet, never any OTC medications). Not only do I smoke just to get high and relax, but I now also use it to help me sleep and relieve pain from jiu jitsu. It's clear I have a serious cannabis addiction, but I have never been more satisfied with where I am in life and where I am going. I strongly believe my addiction hasn't negatively affected my life, or caused any lack of motivation whatsoever. If anything, I become more productive when I'm high because I become self conscious of falling into the popular habit of smoking and doing absolutely nothing. I do homework, arts and crafts, glove, yoga, chores (that aren't even required of me, I do them to help out my parents), errands, go to work, exercise and read when I'm high. I am even more aware of how I treat others (especially my parents). I can't say that cannabis doesn't lower my self esteem, but it seems as if this only further motivates me to be even more productive and strive to be the best person I can be. Today, I worked out, left the gym, smoked a bowl pack in my car, then decided to go back in and do another 3 sets before I went home. If you're unmotivated or lazy, then cannabis will only magnify that trait. It does not cause it.