Does Quantity Of Weed Smoked Affect Drug Test Results (A Few Other Questions Also)

Ok, so i smoke once every day to once every 2 days and ive done this for about 4 months now, and now im trying to get a job that will likely piss test. Just a few things about me, im skinny, 5'11, weigh 135 pounds, am pretty much all muscle, and i have a pretty fast metabolism. I know thc is stored in fat, and i work out daily to every 2 days, and drink a good amount of water as well (piss is usually diluted). But to get the main question i have, does the quantity you smoke when you do smoke really affect how much thc is stored? Truthfully im a total lightweight, i smoke .2g of some good ass bud (right now i have some girl scout cookies, if its not legit its pretty damn close), im gone, so i pretty much smoke only that or less most of the time. So if we are talkin small amounts (i can stretch a gram for 2 weeks), would that be equivalent to smoking like twice a week for normal people? And if so, do you think i could pass a drug test easily if i quit for say a week or so, knowing all the stuff ive said about me?
 
IDK if this helps but also when i smoke i piss atleast once, always, an its a strong ass piss, idk if that is a sign of it getting cleared out or if its cause of something else.