Being cold can't save you, but it's a good way to forget when something has happened. Sometimes people tell me I'm cold-hearted, but this is something I can't see from the inside. I guess it must be true, if they keep on repeating it. Anyway, I don't think every person who acts as distant and cold is wearing a mask. Some people are really cold inside, but it's their personality, not necessarily a mask.
As for me, I don't know if I have some kind of protection. Maybe I try to protect myself, but usually it doesn't work