All of my chars are some version of myself that I channel. Leiana is the most like me, however. I do knit like she does. If skills were set up differently on COGG, I would probably have her pick up languages in the way that I do. Anything else - such as cooking and the like - feels like extended real life work for me so I keep those separate.
I played the piano for over 20 years and stopped in 2016. Mostly due to life things, I have returned to creative writing because of COGG and this creative awakening has extended to my music. Now I'm in the process of looking for the piano of my dreams.

I will say though that even if I didn't pick up a skill, I think it's fair to say that most of us have at least learned quite a bit just by researching, playing and learning from others. Love it!