My partner cheated on me. When I confronted him, he says, ‘You do not possess me'. What to do in such a situation?

My partner cheated on me. When I confronted him, he says, ‘You do not possess me'. What to do in such a situation?
Sri Sri Ravi Shankar: When someone is cheating on you and their mind is going towards someone else, what do you do? Just pray, have patience and understand their mind. Give them three warnings, and even then if they don’t listen, then take some drastic steps.