It's not necessary for him to say anything, yet he is painfully lonely. But everyone has their lives to attend to, and no one can permanently fulfill this young man's need for friendship.
不必言傳，忠仁的孤寂令人心疼，但每個人都有脫不開的俗事要忙，誰又能永遠滿足這個孩子的友情需求呢。