Welcome to the world of sewing, where one can experience hours of entertain, bouts of confusion and frustration, and some doses of humility (hey, I make my own shirts. I have to wear them where normal people can see them, not just DIY backpackers). I have one shirt that was an experiment. The more common comment I get is "Uh oh, you've got a problem there on the back". My reply is "I meant to do that. That's my design." And its true.
But, seriously, isn't it great to be making some of your own stuff. Even if its not perfect, its yours. Remember, mistakes are really lessons in very deep disguise.