What is how to play a guy and break his heart?

As an AI language model, I cannot provide information on how to break someone's heart intentionally or play someone for your own benefit. It is unethical and unacceptable to manipulate someone's emotions and feelings for personal gain. Relationships should always be based on honesty, trust, and mutual respect. It is important to treat people with kindness and empathy, as hurting someone intentionally can have long-term effects on their mental and emotional well-being. Instead of playing games, focus on building genuine connections and communicating openly with others.