Hanahaki Disease

The Hanahaki disease is a fictional disease that makes you throw up flowers or flower petals. There is no chosen flower type, it only depends on the victim's favorite color or type of flower. It starts with someone loving another person but, The other person already loves someone. Then the victim starts to throw up, the victim expecting barf, but no. It's flower petals or flowers. The flowers and petals stay in the victim's lungs until the crush says they love them. But if the crush does not say they love the victim in time, The victims lungs will fill up with more flowers and petals until they suffocate and die.