I do get some anxiety at times and definitely have a lot of stress. There are times that I enjoy smoking a tiny bit, it does seem to mitigate some residual stress that continues on a day to day basis. However, I also know that I must be very careful because MJ, if I smoke one puff too many, or (someone else had mentioned) a strain that my body doesn't find agreeable for a multitude of possible reasons, I too have the tendency to freak myself out horribly and I also have gotten the shakes something awful. Weed that gets too old can also become sketchy for me as light, temperature extremes, air also degrade THC into CBNs(the chemicals responsible for shitty highs). If you have trouble vaping, maybe it's best to avoid it altogether, but I'd also suggest that if you can find a type of it that suits you and it is plentiful and economically feasible, maybe it would be a good idea to buy in bulk and improve storage conditions. A mason jar is fine for short term but I'd say for no more than a week's worth at a time. If light and air are hitting it, and so are temperature changes, it will degrade.