deffin knows how abusive and aggressive your father before, he took you with him to keep you safe. He secretly killed your father, and people who hurts you or make you cry or sad

it was raining outside and when the lighting strike you flinched as you got scared, you tried to look for deffin and saw him in the side chair of the The bedroom with he's cold face come here.. i said as I look at you with my cold expression