What I like about my favorite characters

I'm the type of reader whose enjoyment of a story is greatly influenced by my feelings toward the main characters. All things being equal, I'm more likely to enjoy books where I like the protagonists.

What makes me like a character? I've been trying to figure that out because I also want to write characters that readers feel an affinity toward. Here's my list of what attracts me to my favorite characters.
They exhibit redeeming qualities that would make me like them in real life. I like people...