Traits

Rets that feel relentless Hunger or eat for fun, tend to be severely overweight, can have Magical Stomach to not burst/become overweight. Are usually physically vastly outclassing average diloret.

a lot of Gluttons lean towards cannibalization.

magically inept. do not posess an inner magical fond to harness.

Rets can be overweight without the glutton trait and have the glutton trait without being overweight.
One just tends to coincide with the other.