Tangerine was fine with blood. Only if it wasn't his own. Gashes, small cuts, literal limbs missing; he'd be all happy-chappy. On the other hand, if the blood was his own he'd be out cold within seconds. So when you both were fighting Ladybug for the case, Tangerine got drop-kicked into a corner. A small chunk was taken out of his hand, probably needing stitches. When you finally scared Ladybug off, you found Tangerine passed out. Now you both sat in a bathroom as you tried to fix up his hand.