Your body is made of weapons; sharp and cruel and fierce - Teeth and claws.
And your past is full of sorrow; of loss, of death, of sympathy. - History. About his brother ect.
But, you care for him, don't you? - Still would protect his brother.
Even with your deadly training, you still managed to save him. - Took a bullet for him.
Isn't that odd, though?
Because when someone saved you, you didn't seem to care. - Quiet selfish and uncaring.