felt "in the guts"; deeply felt
I feel a visceral distrust of that man: I can't give a reason for it, but the feeling is a strong one.
viscera (internal organs, inner parts of the body) (Latin)
Visceral = wise cereal, which is good for health and internal organs. He got so used to eating cereal in the morning that it became a visceral desicion. It was an instinct instead of intellectual. So, basically he WISHed for CEREAL (VISCERAL)