1) Don't associate with negative people. 2) Tell them Google and Facebook could be built in a few weeks too. (Mostly accurate!) 3) Consider that you're extrem

1) Don't associate with negative people. 2) Tell them Google and Facebook could be built in a few weeks too. (Mostly accurate!) 3) Consider that you're extremely unlikely to succeed "you against the world" in these circumstances and how you could get some partners on board.