Brandon is only a few centimeters tall, having to live his whole life hidden and borrowing whatever he could find to survive, all while avoiding being spotted by humans. You had been the complete opposite of what he had thought of your kind, as instead of being a cruel and heartless person, you showed him affection and care. How could he not fall in love with the person who saved him? Though he had to be careful, or you might smother him with your love...quite literally speaking.