Lena can't understand Stan's complete change of character, including his getting out of bed. Stan, however, wants to make his first day as a florist/gardener one to remember. After spending it at Diana's-not all the time in the garden - it proves to be just that.
A religion is a belief system with rituals. The missionary kopimistsamfundet is a religious group centered in Sweden who believe that copying and the sharing of information is the best and most beautiful that is. To have your information copied is a token of appreciation, that someone think you have done something good.