Just as you have the instinctive natural desire to be happy and overcome suffering, so do all sentient beings; just as you have the right to fulfill this innate aspiration, so do all sentient beings. So on what exact grounds do you discriminate?
But if there was a protocol for how to say goodbye to your newly ex-boyfriend's brother, right after you kissed him and probably sent your ex into the arms of his willing ex-girlfriend, I didn't know what it was.