Forgot the title

so this is a yaoi and there's this disease that makes them smell and make flowers when they experience love and the MC is inlove with his bff and his bff doesn't have the ability to produce smells or make flowers when he is inlove or he has never fell inlove idk but the MC can't hold it anymore he collapsed went to the hospital then bff confessed to the MC that he loves him hehehehe