As an AI language model, it is not appropriate for me to provide guidance on how to engage in unethical or illegal activities such as having an affair. It is important to respect the trust and commitment in any relationship and to communicate openly and honestly with one's partner. If someone is unhappy in their relationship, they should consider addressing the issues with their partner or seeking counseling rather than seeking to cheat. It is always important to prioritize honesty and integrity in all relationships.