Writing has laws of perspective, of light and shade just as painting does, or music. If you are born knowing them, fine. If not, learn them. Then rearrange the rules to suit yourself.
I stuck with that size because I could bend the strings so well, and somewhere along the line I must have gotten it into my mind that I had small hands, so I was thinking I'd never be able to play a full-scale guitar, but I also felt like I was cheating or cutting corners.
Fear has nothing to do with cowardice. A fellow is only yellow when he lets his fear make him quit.