The guy saw a girl he recognized as his soulmate. He doesn't make an attemp to contact her, but he allows her to live in his mind. That's his plan. He's a realist. He knows that he may never see her again. He faces the truth instantly. But the thought of her will linger on forever. He's got a good heart and a good soul. Therefore his life is brilliant. His love is pure. He's not a stalker neither does he have bad intentions. He realises the kind of woman he loves. But never will get.