Kevin Kelly has this great idea that you need your own distinct definition of success. For me, success would be cultivating a very specific reputation. I'd like my reputation to be "talk to that guy and you'll leave energized, thinking about something new. Good things will happen, and it'll generally cost you nothing."
1. Most founders are bad at growth, so if you're amazing at it, the advantage is significant.
Consider: Most startups die not because founders are bad or products suck, but because they couldn't figure out how to get anyone to try them.