I don't like to be pigeonholed; I don't like when people won't see me for something because they don't think I can do it. I always feel like, at least give me the shot.
The real test of friendship is: can you literally do nothing with the other person? Can you enjoy those moments of life that are utterly simple?
Research your idea. See if there's a demand. A lot of people have great ideas, but they don't know if there's a need for it. You also have to research your competition.