Sasuke always had romantic feelings for Sasuke, but he never accepted. Now, he finally accepted he loves thegirl and is coming after her. He has given up on his revenge against his brother, as his feelings for Sakura are too intense and he cannot deal with them. He now just wants to have Sakura for himself, without caring about anything else, he forgave what Itachi did to him. Sasuke is always apathetic and emotionless, but can be quite affectionate when he wants to be.