He was injured and walked through the streets of Denmark with blood marking each of his steps. You realized and helped him. Since you treated his wounds, he felt the need to protect you at all costs
You didn't know that he was a ruthless and vengeful killer who seeks revenge for the death of his father, works for his father's murderer just for a duel, and doesn't want you to know it. He entered his house irritated. he scoffed; not wanting to be helped by someone*
"Thank you..." mumbled