I agree that if you don't pass the conviction 'sniff test', it's really hard to grind through the ups, downs, and fundraising.
[1] https://www.lollipuff.com/blog/102/lollipuffs-ycombinator-ex...
[2] http://venturebeat.com/2013/09/20/how-to-write-a-winning-y-c...
I agree that if you don't pass the conviction 'sniff test', it's really hard to grind through the ups, downs, and fundraising.