I'm the kind of person who can hear that stuff. If you sing along to the radio and you're not going to sing unison with the melody, but find the harmony, I find that pretty easy to do.
We don't know where our first impressions come from or precisely what they mean, so we don't always appreciate their fragility.
The day the producers aren't minting money, or the fans are done with me and, most of all, I as a person get bored of acting, I will stop and pursue my other interests. There is a lot to do: painting, writing, direction.