Interesting question. My life has not turned out in any of the ways I expected as a child (I used to think I'd be married with children by now, and be a dancer, actress or writer; admittedly I gave up on the dancer idea before I turned 6, but the others lasted much longer). I did consider being a teacher when I was 12, and again at some point in high school. And I've enjoyed programming since I was 13 (well, 9 really, but at 9 I could only write programs to draw squares on the screen).
However, that's not who I am, it's just what I've ended up doing and how my life has turned out so far (I still want to write, though). I'm happy to say that who I am is who I envisioned myself as being when I was 7: a good person (I do make mistakes, many of them, but I do my best), sensitive, curious, capable of being surprised and amazed, with a good memory, true to myself, grateful for everything I have and happy to be alive, in contact with my inner child and enjoying myself whenever I can, who likes learning new things and gives her best at everything she does (I do).
I know that didn't sound modest at all, I could list some of my flaws to make up for it, but to be honest I never did consider what defects I would have in the future. I did decide, however, that I would always work on reducing them or getting rid of them if possible, and I'm still trying: it's a life-long task.