Sorry that your first appointment didn't go well. You seem very sharp, and can quickly tell the sincere and dedicated from the arrogant and judgemental. This will keep you on a good path if you have to stay in the medical world for long. I hope your second doctor keeps working well for you. I think that humility is so important, because this illness is so hard to diagnose. You may not have Crohn's, which would be good, but whatever you have should be carefully diagnosed.
How are you feeling, though?