See my father knew a lot about music, he played the piano and he would do theory and stuff like that, but I didn't learn anything from him, but I played that for him and he liked it a lot.
These people are real to me, and situations keep coming up where their emergence feels natural. It's like meeting old friends. I hope readers feel the same way.
Men become much more attractive when they start looking older. But it doesn't do much for women, though we do have an advantage: make-up.