Warning: This story is a bit rough with suicide attempts, mental illness, self-harm and a few more things. 

IF you have a serious problem with reading about suicidal thoughts and similar, you can skip the part of the story showing Forte's origin which is one big chunk, and just read the present day stuff. They're connected, but not so closely that you'll be confused with the present day plot and actions.
The present day storyline will be important to the next story, and only involves some self harm, so it should definitely be read.