Do your other characters have a 6 in digestion?
So with a 6 in digestion, the digestion speed is just near-instant? That doesn't make much sense, but then again, it's a game about making characters massive so ye. Just makes it harder to keep em fed, which, with one character nearly solely dedicated to giving happiness points (one of my characters has like, a 22 in happiness points), kinda balances it a bit.