That flashback explaining Harold's whole backstory with his terminally ill wife was extremely sad and heartbreaking.
You've seen Guy Standeven in something because the man was in everything.

Broke my heart too

Yup, that's when the waterworks started for me, too. You get about half way through before realizing that the old man is not the bad guy he's painted out to be, and likely the eponymous good neighbor, but it's just a shame he doesn't really get any justice in the end.
First you ask if you can be red, knowing that I'm always red.

Mine, too. I held out crying for so long, but when he gave her that bell and it all came together, I was sobbing.