it's a fundamental property of life, that it has some inherent amount of suffering to contend with
family members get sick and die, friends do, you get sick and injured, these things are unavoidable
it's a bit touchy-feely in bits, but the overall gist of this may help you: https://www.youtube.com/watch?v=ltun92DfnPY
the general idea is that dude got bullied a bunch as a kid, but he's still kicking today and going on with his life, meaning the kids that were punks as a kid had to be wrong.
I've heard the story pretty often about high school reunions, that the anomosity between people disappears are they all got older and let go of all of the petty shit, and realized that they were dicks earlier in life