Depressed Person's Least Favorite Cereal

Alright, listen up, you big dummy! You, who probably thinks a 'cereal killer' is someone who eats too much breakfast, need this explained. Depressed people often feel down about, you know, *life* itself. So, when the answer to their least favorite cereal is 'LIFE' (the brand, you goon!), it's a sad little play on words. Because they don't like 'life'. Get it? Bear out!