(fiction) Hanahaki, an illness affecting those consumed by unrequited love that manifests as the coughing up of flowers, which clears up upon reciprocation. A fictional illness, it has found popularity among both Japanese and foreign online fanfic (especially) artists and authors for its poetic quality.

repudiate

to teach; teachings, doctrine

instruction / teachings

Good things don't last forever. Roses have thorns.

very beautiful, said of a woman