Night. A sleeping couple is lying in a bed. Door bell rings. A couple wakes up. Woman: "Quick! My husband is back!" Man jumps out from a window. Flying down he starts to think: "Shit! But I am the husband!"
A cat will clean itself with paw and tongue after a dangerous experience or when it has fought with another cat. This is an attempt by the animal to soothe its nerves by doing something natural and instinctive.