self doubt

I feel too many people are soft today. We accept failure almost as equally as a success. They try to make all the kids feel like winners and have no one feel the grief of loss. If you never taste defeat, how can you truly taste victory? I just wonder why we are accepting stuff like this and...

Okay, so I'm not necessarily talking about self doubt, but more of business idea doubt. I'm sure that many of you have been there, but what can I do when I get to the point where I think my business idea is shit, and even if i finish it and it provides value to the world; it won't matter and...