I know when I watch certain actors or if I watch Thom Yorke sing on stage, I'm affected by it emotionally. I guess that's what we are all striving for in art but that's such a beautiful thing that happens between two people that may never even meet. So when you do get to meet someone who was affected in that way, it's awesome.
You could omit anything if you knew that the omitted part would strengthen the short story and make people feel something more than they understood