Do you think putting one’s wellbeing over your own desires is a sign of True Love?

Imagine: you are a player and wanted to use him/her for your own egoistic purposes, but then you found out the person is caring, sincere, kind-hearted and means well for you. After that despite your enormous desire and you COULD use them, you decide NOT to play their feelings and stop torturing them, saying they deserve better. Is it the act of placing their well-being over your ego, care for them means you acknowledged the True love and left to make them live happy life?
Do you think putting one’s wellbeing over your own desires is a sign of True Love?
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