Metanoia

Hanahaki Disease-- an illness born from one sided love, the victim coughs up petals and flowers. It may be removed with surgery, but the feelings go away with the petals. It can also be cured if love is requited.

Metanoia, an Ancient Greek word (μετάνοια) meaning "changing one's mind", may refer to: Metanoia (psychology), the process of experiencing a "breakdown" and subsequent, positive psychological re-building or "healing"

Ever since the incident, Keith has been terrified of love and any sort of attachment in fear of the flowers and the pain. He moves around from place to place, foster home to foster home, in search for somewhere that provides no distraction to him. He moves to a beach side town in hope that it would be calm, but the events there will make him face his greatest fears and grow.