Your last question sounds like you might fit in the "Swingers Club" category. The biggest question is the consent of your spouse. It might sound ethical but you aren't right until your spouse knows about it and gives his/her consent to it. If your spouse doesn't want to partake in the exchange (a la Swingers Club), then that's okay. BUT!! If he/she doesn't know then it is NOT okay. Browse up and see the question posed by Elpida.