Since childhood I’ve been naive and open-minded. I admit it. It never occured to me that being naive was not a quality that would have an advantage because, well, I was naive.
I don’t know how to explain my story. It’s like that one guy who is supersitious and gulible, but then takes the house at a Las Vegas casino. Everyone else knows “how to to play the game”. In life, everyone knows how to play the game…
Not exactly a quality like that, but my pupils are larger than normal: almost half again the average width, which means about twice the size. That means I get about twice as much light as most people do. Most of the time (i.e., during the day), that is, at best, neither good nor bad. When it’s bright outside, I can barely see, and often require either pitch-black sunglasses that would make anyone else blind, or a guide. However, at night, I can always make something out if I have enough time to adjust. If I’m patient enough. I don’t run into anything. Of course, I’m usually only somewhat patient.
I am as stubborn as a mule. It causes great problems and great successes for me. I always think I am right, and so when I want to achieve a goal nothing stops me. This has helped me run marathons, and to be successful as a music performer and educator. I make more money then most people I know my age.
I am also a 26 year old virgin. My stubborn perfectionist streak causes great problems for me when trying to make friends / relationships. I am getting really tired of this.
I work too hard, I care too much, and I am a perfectionist.
(standard job interview response) 
My laziness often gets me out of jam because problems will become irrelevant if I just don’t confront them. It’s not that I am unconfrontational, I can be very confrontational, and that’s why it saves me. 
My refusal to plan out or prepare for anything ahead of time has made me very good at dealing with unexpected events.
Ironically, my entrenched tendency to procrastinate and leave things undone until the very last minute made me very good at working efficiently under pressure and getting things done fast. e.g. I can’t think of any exam in which I didn’t leave the room a good half an hour before due time, sometimes a lot earlier.
Also, fucked up circadian rythms (my body thinks days are ~28 hours long) which are a real pain in the hiney most of the time can become an advantage come crunch time.
The only thing I ever really got in trouble for when I was a kid was my smartass mouth.
I bartend. It makes me stupid money now.
Captain Carrot, I have enormous pupils too! Pain in the ass for night driving, but I can see in the dark very easily.
I am incredibly non-confrontational, to the point of being passive and letting others dictate what I do. I can’t say no. I genuinely don’t mind doing it someone else’s way. Even if something bothers me, it’s almost never worth bringing negativity into a relationship. I think most people consider being a doormat a bad thing, but I’m actually very satisfied with my life that way. I’m not saying I never set boundaries, but most things just aren’t worth fighting for. As a result I have very peaceful relationships.
My social inhibitions and shyness have saved me from making an ass out of myself many, many times.
I’ve got the naivete and the wide-eyed innocence, too. Some of it is gone or taken, but I work hard to maintain as much of it as possible. It gives me my optimistic attitude and keeps me smiling, and reminds me how much wonder there is in the world. It’s tempered with a healthy dose of cynicism now, but often I can turn it off and just enjoy life.
I’ve got a temper. Also something I’ve trained until you would never tell…except I can whip it out, like a tool now. People see my smile and my niceness and they try to take advantage of me…and get only so far, and when they push too hard, get a dose of the temper.
I have a short attention span. As a result, I’m never miserable for too long, because there’s always something there to distract me.