Most addictions don't start with abuse. I've seen many stories where people become hooked on prescription drugs by using them "responsibly".
I know marijuana has side effects I use it often enough to know how it effects me.
When I smoke I actually have an appetite and I could sleep comfortably at night. When I smoke in the morning I have more energy and I have a more positive attitude. I also experience an overwhelming feeling of happiness.
I can function perfectly fine without weed and be perfectly happy. Overall my quality of life is better with weed, and that is enough for me. I know you will probably try to use this against me, but I really don't care.
Edit- I see you deleted your post.