For some cuckold husbands, the idea of being tied up and forced to watch their wife having sex is a huge turn-on. They may get off on the knowledge that they are powerless to stop what is happening, or they may simply enjoy the visual of their wife being pleasured by another man.
Whatever the reason, many cuckold husbands find themselves getting turned on by the idea of being tied up and forced to watch their wife have sex.
