translation.en: I've also come to believe that romantic love is an addiction: a perfectly wonderful addiction when it's going well, and a perfectly horrible addiction when it's going poorly.
translation.zh: 我同样也相信爱情让人成瘾： 爱若甜蜜，人们沉溺其中； 爱若苦涩，人们深陷其中，难以自拔。