Hi there Dr Katz just been reading your thread,,,i had a massive herion habit for many many years and now methadone and its a bitch let me tell ya,,,so please give the gear a brake for a bit before you do get your self a nasty little habit,,,and it's not fun trust me mate,,,,just give it a couple of weeks without it then just do it once a week but not more than that because it's takes two or three days to come completely out of your system so if your doing it twice or more a week your never letting your system or tolarence recover and that next smoke will never be as good as the last one,,,,as for definite symptoms of being dope sick the best I can tell you is a feeling of being very cold,,also running snotty nose and constant yawning with watering eyes and I get a intense heightened sence on smell for some reason,,? Also no energy and aching limbs more so in the legs,,,so yeah it's not fun,,,,hope this helps you bud,,? Peace C