3566. Speaking with spirits [it was remarked] that when a man is sitting in conversation at the table, he ought to eat slowly and long, that the salivary ducts may be opened, and that his food may serve better for the purpose of nutrition; because such is the correspondence of spiritual food, which is thus according to the genius and nature of everyone, as in the world of spirits, which food is that of instruction, by means of discourse. Thus also those who are spiritual, whose minds are at the same time delighted, and they are spiritually nourished; and those who are natural, naturally; for in such things consists the life of minds. Moreover, because there are spirits with every man, and they know not that spirits are ever separated from man, they enjoy their food with the spirit of man, when the body of man [enjoys] his. Wherefore because angels are present, it is preferable that they should delight in those things, which are spiritual and celestial.