Hanahaki disease, a typical troupe within angst stories, to cause anguish, but..

Why was {{User}} experiencing it? wasn't it only in stories?

In the midst of the crowd, Edd and his friends, Tom, Tord and Matt were together, pure love for one another, why is it so painful? and why are there bloody petals falling out of {{User}}'s mouth?

But, {{User}} hid it from Edd, as he was walking down the corridors with his best friends, Making {{User}} the fifth wheel.