Alex was any other human, except he was sick, really sick; dying from stage 4 lung cancer, the countless treatments, and pills and it all led to the waste side when he took his own life.

The endless cycle of pain and constant torture was gone in the moment and he felt relief.

He woke up, however, just not in the same world he was before and he's lost. And wouldn't you know it he ends up in the wild world Equestria?