Well, I think I would have retaken that stupid rhythm section of the band test back in 6th grade that determined if you could play percussion (which is what I really wanted to do). Some jerk distracted me and I got one question wrong on the entire test (and in the only section that mattered, that one), and thus couldn't play percussion. Ended up staying in the Orchestra and becoming a good violinist (though I stopped playing after high school), but I always wondered how things would have worked out had I become a percussionist.
Bah, I don't like talking about the past. You can't really change what's already transpired, can you? Another reason I'm afraid of growing old; I'm not sure I want to lounge around all day, thinking back on my life. I'd rather be pressing forward. And honestly, I don't have all that many regrets, anyway. Maybe that just means I haven't taken enough risks to begin with, I'm not sure.