The memory of all that blood was enough to 'make my flesh crawl/creep'. [=to make me feel disgusted, afraid, etc.]
I try to get up early and exercise, though sometimes 'the spirit is willing but the flesh is weak'.
pleasures of the 'flesh' [=physical pleasures, such as eating, drinking, and having sex]
(..) - It's hell. It's the financial equivalent of a complete rectal examination. I would've killed this man. Torn him limb from limb. Ripped the flesh right off his bones. - Yeah? - It's George. Come on up. There he is, the man himself... ...George Louis Costanza. (..)1991 TvShow: Seinfeld Title: The Truth Season: 3 Episode 2