I have a family member, who doesn't believe life everlasting. Although she experienced a lot of events so-called super spiritual, she denies there keep existing human spirit even after death.
I guess that she would like to persuade herself with a belief that bad things only happen in the present but not in the after-life; the concept itself doesn't exist in her mind. But, the truth is contrary; after-life exists, physically, I mean it.
I have believed since my childhood when I was told by somebody around me, and confirmed it when I was 38 years old. Hope Lord Jesus may change her mind before her last day.