The best answer would be It contributes to a mood that lacks any emotion.
Information and important context clues
Fresh as a daisy
Hopped like a rabbit
Ran like the wind
Like a baby
Good as gold
As tough as a tiger
As dry as dust
As blind as a bat
As light as
As quick as
Like a baby
Like a fish
Like a fish
Like a lion
As dead as
As free as
