I agree with everybody who will say it was the state of mind u were in. Also, u said it was morning, I feel higher when I smoke earlier in the day.
Pressure in your head can come from u holding your breath in all crazy like, and the blurred vision could have been smoke in ur eyes from the significantly large hit you said u took. If you are looking to use cannabis more often, I would ease into it. Try it in an eddible or later in the evening, and I wouldn't reccommend hitting as hard if u smoke it again. Hehe. I think u need to relax and stop assuming ur having an allergic reaction, and freaking youself out. its all good, and theres no reason to be nervous about it. Is would be more apprehensive about hitting ur ciggarette, lol. As far as ppl around u noticing, if ur gonna do it, ur gonna do it. If u got ppl on ur back, cover ur bases before u get home. Gum, chapstick, lotion, and eyedrops. ( rub your freshly lotioned hands through ur hair for.the smell if ur famale)
I do this so I don't feel awkward in public about the smell. I'm more confident thinking I smell good too...
Idk.what else to say, accept smoking miht not be the best way for your body to process the weed. Like i said, u might get a more laid back feel if you ate it.
Hope this helps and good luck!!


PGS420