Sorry it didn't work out. But I think you did the right decision. You'd just be living with too much stress, stress of a new job and then not making enough to pay all your bills, not worth it imho. Just keep at it dude.
Actually caffeine can greatly affect your ability to handle stress. The wife of one of my coworkers had been having panic attacks on the weekends, and usually in the afternoon. She also usually drank a soda in the morning on saturday and sunday. He convinced her to quit caffeine and the panic attacks went away. It doesn't…