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]
(..) Etta Place. Mine. You hear me? Mine. All mine. Your soft white flesh is mine. Soft... white... bwhaa! Meet the future. (..)1969 Butch Cassidy and the Sundance Kid