"I guess I just prefer to see the dark side of things. The glass is always half empty. And cracked. And I just cut my lip on it. And chipped a tooth"

This quote by Janeane Garofalo speaks with a cynical outlook on life. It suggests that the speaker is someone who tends to concentrate on the negative aspects of any circumstance. The glass being half empty, cracked, and triggering injury to the speaker is a metaphor for life in basic. It suggests that life is typically difficult and agonizing, which it is not constantly easy to discover the silver lining. The speaker's outlook is one of resignation and approval of the hardships of life, instead of optimism and hope. This quote talks to the concept that life is not constantly simple, which it is important to accept the challenging times and find strength in them.