Completely losing hope, nearly ready to give up.

It seems like it takes forever to find the right combination of medicine. I thought I found it but I guess not. Maybe there's not one out there for me. I feel so depressed right now, I wish I wasn't alive.
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“All the darkness in the world cannot extinguish the light of a single candle.” -St. Francis of Assisi
Diagnosis:
Schizoaffective disorder Bipolar type
PTSD
Social Anxiety Disorder
Anorexia Binge/Purge type