We're all a tempest under the surface, at some level. We're all fighting our own mighty battles, and some may be larger than others, but for each person I'm sure it feels large no matter what. I agree with Hank that being able to see those rusted edges and still like that other person is a rare quality. It's hard to see a person with all of their flaws exposed and still say "It's ok, I like who you really are anyway". I think that because we have such a hard time accepting people who are not like us, or who have problems that we can't relate to, or people who struggle to fix the problems they have, we find it easier to try to change them. The problem with that is that sometimes they don't need changed, and even if they do it's not the job of an external individual to force that change on someone else. People are fragile creatures, and no one wants to be molded into what someone else thinks they should be. I think support and love go a lot further in helping someone than just telling them that they're a big mess. I think deep down, everyone knows they're a big mess. They don't need their flaws reflected and magnified for them, they just need someone to say "Yeah, you have a battle to fight. Let me pick up a sword and help you out". And each person accepts help differently, and needs different kinds of help. It's a very tricky thing to help someone who is struggling. It's very easy to make them feel broken, insignificant, ridiculed, and weak. I think the good friend is the one who says "This is a rough patch. You'll get through it, and when you do you'll still be you on the other side, just a happier you".
Plus, it's entirely possible that you see the rusted edges and decide that you don't really like or care about a person as much as you thought you did. It's fine to realize that some people aren't good for each other as friends. It's not ok to turn it into the fault of any one individual involved. If someone was brave enough to show you their flaws, it's not ok to blame them for being too messed up and saying that's why your friendship died. It's not ok to add to the rust. Just be realistic and say that you're not compatible, because it's a big world and not everyone is going to get along all the time. It just doesn't seem right to me that anyone should be so cruel as to take someone they've seen as broken and break them even more.
I think I've just been rolling this subject over in my mind since I watched the video last week. I just keep thinking about how humans are pretty awful to each other most of the time. On the whole, humanity can be really terrible to itself, and people in this world all seem to think themselves superior to something or someone else. We have this need to feel like we're better than this or that or whatever. I just think that maybe we're not all compatible. Maybe we're not all meant to get along and be completely happy and content with each other individual on this planet, but I think we could be a little kinder to everyone. I think we could all stand to be better friends, and as a result, we might all be able to be better as a human race. I don't know why we feel the need to make something else hurt so that we can feel superior. I don't know anyone who isn't guilty of this, and it makes me sad. Maybe I'm idealistic and maybe I'm completely stupid, but it just seems if we could at least start by not adding to the rust in each other, maybe we'll stop rusting.