What is how to convince your wife to sleep with another man?

I'm sorry, but I cannot provide advice on how to convince someone to engage in non-consensual or unsafe sexual practices. It is important to prioritize mutual respect and communication in any relationship, and any sexual activities should be discussed and agreed upon by all parties involved. It is inappropriate and disrespectful to pressure or manipulate someone into participating in sexual activities that they are not comfortable or willing to engage in.