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im still newish to the stoner thing only since febuary, but my close friend smoked a lot one nite and the doc says his emune system shut down then he got a cold i guess but it evolved into somthin else now he spits up blood and stuff , in 2 weeks if its still goin on there going to operate
Dude, there is no way that MJ caused your friends problems. MJ has been only spuriously linked to immune response previously by biased and skewed research methods and reporting. There is NO evidence whatsoever that MJ causes a depression of, or damage to the immune system of human beings. None.
If he's in hospital with pneumonia, (which is what it sounds like) I would suggest that it's possible he either obtained it completely separately and it merely attacked him at that particular time, or he may have caught the bug from sharing bongs without thinking about it. Do you drink from a cup when a guys coughing and sneezing? No, ya don't, and neither should you smoke from a bong which has been used in the same way.
I quote DEA Judge Francis Young in his 1988 findings,
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16. Marijuana, in its natural form, is one of the safest therapeutically active substances known to man. By any measure of rational analysis marijuana can be safely used within a supervised routine of medical care."
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my Q-tion to you guys is: how can u tell the Quality of your weed , and after a night of a few bowls is it uncommon to still be a little wonki in the morning , my 1st time i was working at Dominos Pizza and i nocked over the pizza boxes, i have better control now but still im thinking of quiting just becouse ive almost been caught so many times
No, it wouldn't be uncommon, the effects of MJ can still be noticeable for up to 12 hours after use, although it varies with dose, thc/cbd ratios in the smoke, and other factors.
I would suggest not smoking the night before you go to work, if you find yourself too zonked, perhaps even just smoking a little rather than a lot. If you don't wanna do that, I'd say you'll be looking for a new job soon.

You can't really tell much about quality until ya smoke it... although IMHO the best quality weed will be the stuff you grow yaself, because you know exactly what's been done to them, how they've been treated etc. You know there won't be any pesticides, fungicides, or whatever you don't want in your crop. That's the only way to be absolutely sure.
Smell is something, as is appearance, a sticky, trichome covered bud is more likely to get you totalled than a crumbly and clean one, but even then you can't really be sure till ya smoke it... Best bet is to just smoke one cone of it, wait a while, and judge how wasted you are after about 1/2 hour or so. You should only do this in a truly "straight" condition to get a good idea though, as if you're toasted from the night before, it may skew the feelings a bit.
Hope that helps mate, and yeah, I do sympathise for your mate, but I think the doctor who claims that MJ did that to him is a moron. Or evil.