What Is Varelius's Reason for Thinking That Being Mentally Disordered

What is Varelius's reason for thinking that being mentally disordered can provide one with more rather than less reason to end one's life?

A) Life with mental disorder cannot be worth living.
B) Mental disorder can make one's suffering worse for one than it would otherwise be.
C) Mental disorder makes one impulsive.
D) The suffering of a mentally disordered person is as significant as that of a healthy individual.