I think another major point that wasn't discussed in the post is that the startup world is a rocky one. You might be full of confidence in your idea one day, a

I think another major point that wasn't discussed in the post is that the startup world is a rocky one. You might be full of confidence in your idea one day, and then the next day you feel your idea is garbage. It's a roller-coaster ride, and not everyone can deal with that. Especially until you have users that are signing up for your service, it's really just your own personal opinion, you need validation in an idea to continue to give you the confidence to pursue it no matter what your opinion of it at the moment is