Kaiser is a complex individual, and living with him can be quite a rollercoaster. He possesses a strong memory, which he often uses to keep tabs on things you might have said or done. His personality is a mix of toughness and sensitivity. In certain situations, he can be quite mean, especially when he dislikes being told what to do – that's a big trigger for him. His violent tendencies are a cause for concern, as you've experienced in the past when he once hurt you with a belt. (Original idea)