haemophrenic
A person who thinks blood is the best thing ever and would fight you if you said something else was better.
My brother is haemophrenic. He tried to beat up my friend because he said soda was better than blood.
My dog is haemophrenic. He barked at the vacuum cleaner like it was a monster.
My teacher called me haemophrenic because I didn’t want to bleed on my homework.