They say that it were great reproof to the king to take again what he has given, so that they will not suffer him to have his own good, nor land, nor forfeiture, nor any other good but they ask it from him, or else they take bribes of others to get it for him.
A vegan diet takes care of most of what we need to do. But you'll also want to minimize the use of oils generally, because while olive oil and other vegetable oils are better for your heart than chicken fat, they are as fattening as animal fats.

