I am at the moment deaf in the ears, hoarse in the throat, red in the nose, green in the gills, damp in the eyes, twitchy in the joints and fractious in temper from a most intolerable and oppressive cold.
Consciously or unconsciously, health can be transmitted. A very strong man, living with a weak man, will make him a little stronger, whether he knows it or not.
Man does not live by soap alone; and hygiene, or even health, is not much good unless you can take a healthy view of it or, better still, feel a healthy indifference to it.