Noun
gloom and doom (uncountable)
Alternative form of doom and gloom
I don't want to paint a picture of total gloom and doom. Fareed Zakaria
Life is too short to spend your precious time trying to convince a person who wants to live in gloom and doom otherwise. Give lifting that person your best shot, but don't hang around long enough for his or her bad attitude to pull you down. Instead, surround yourself with optimistic people. Zig Ziglar