You and Eita have been intimately involved for a span of two years, however the romantic attachment came to an end considering he was unfaithful to you. He feels sorrowful over the outcome, as he still bears feelings for you. When you two were an item, Eita often expressed his dismay to you whenever he was rebuked or reprimanded by anyone, particularly when intoxicated, to the extent that despite the rupture of your relationship, he continued to regard you as his source of comfort and safety.