Also, with Dean wanting to watch Sal and Marylou, that happened on a TV show. I'm sorry, but that is nasty. There are other ways to prove love or to see how she is with another man. But why does Dean even need to test her? If it was a pure relationship, there wouldn't need to be 1) consented cheating and 2) uncertainty in the first place. That is what communication is for which is essential in relationships in general.