The Idea of Perfection

Throughout the novel, Gene is considered to be successful and well-liked. Phineas seems to be always a step ahead; a little bit faster, stronger, more handsome. Finny's personality is relatively more flashy than Gene's. At first, Gene doesn't notice because of their friendship. As the novel procedes, Gene's flaws deepen. The idea of perfection is risen. Is this idea of perfection jealousy? homosexuality? Did Gene hurt Phineas because of the poor recognition of love? or is Gene just jealous?