"I'm mostly interested in the emotional fragility of parents and wanted to see what would happen if I pointed out that logic does not back up his reaction."
Woz might be a better model for most hackers. What made Bill unusual was that in addition to being a fairly good hacker, he was really into business. But while someone who cares about both is a formidable force, I don't think "pay more attention to business" is the best recipe for most hackers. For most hackers a better recipe might be "build lots of great new things."
Most colleges would let you postpone finals after something like this, so you should be able to remove at least that cause of stress, if you want to. On the other hand, you may want to get them over with.
I recommend going somewhere far away for at least a week or so, to reboot your brain.
You will be more likely to get funding from angels if you have launched and can show some sort of growth. So if you can get to launch on the money you have, do that. Then find angels by asking acquaintances who work for startups to introduce you to their angel investors. They will do it if they think highly of your product.