Everyone has his obsession,for Lois,

Michael was the one.
For Lois, the purpose of living was to be together with Michael. She would go mad if she could not have him.
Lois’s obsession was so strong that not only Michael but herself had got hurt.
…
Michael said to his friend that let’s have a drink to celebrate Lois’s death, however, when he was drunk, he asked his friend that did I lose someone important to me?