There are actually a few diffrent things to look at here, and it depends on the effects your feeling now. After habitual smoking many people get that "burnt" feeling, thinking slow, being out of it, or even slight depression.

There is a suppliment called 5htp which has been reported to eleviate those problems. Or if the depression aspect gets out of hand try some same-e.

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I don't do this for my family, my friends, women, accolades, pride, or ego. I do it for me and no one else, its just part of who I am.