Follow your heart, not the law.
I think I know what he is REALLY doing in there... and thinking about ME while doing it." (continuing) "But when he thinks of me, he thinks: sister! Think: Byblis! BYBLIS! I don't think of him as my brother, I think of him as CAUNUS!
He's at war with himself. Why doesn't he surrender to his feelings and stop fighting himself? He has hang-ups that I must cut him loose from.
Look past our kinship, and towards a romantic relationship!