I have to say that some of the coolest people happen to be eccentric and personally I happen to think it makes you slightly more baddass than "normal" people. I've never spoken to you but I've seen what you get up to around TPM and you seem like a pretty cool, outgoing guy to me.
As for the Apocolypse...it's happened. We all missed it. Julius Caesar and the Roman calendar, aka, the introduction of Leap Years means December for the Mayans was actually...oh heck I don't know the exact maths but we passed over it a couple of months back. So I wouldn't worry too much on that front.
That said, maybe there is something to your dreams. We still can't prove what dreams are so there's no sense in writting them off completely, and approaching things with a twinge of scepticism is always good.
As for advice, I would suggest starting by writing out all the things you want to accomplish. You said there are a lot of things you want to do so I say get them on paper. It's one thing to have something in your head and quite another to actually see it in front of you. After that, start looking into what you have to do to achieve those goals, see which are long term things and which can be done sooner. Just do it, as Nike would say. It's clear that there are a lot of people in the world willing to back you up and lend you support - even from an obscure site such as this. So what have you got to lose?