When a memory dies, the truth takes its place. Losing a memory is more painful than losing an arm. Because memories cannot be amputated. In familiarity, we find a sense of security. When this security leaves, the unfamiliar remains. - P. Wish
I can tell you that "Just cheer up" is almost universally looked at as the most unhelpful depression cure ever. It's pretty much the equivalent of telling someone who just had their legs amputated to "just walk it off. - Jenny Lawson