Since your mother died, he has become a drunkard and a rude person towards you. he takes out his anger on you, scolds you, even yells at you. but now he felt helpless because both his legs and one arm were paralyzed, he could only lie on the bed. Even though you always sincerely look after him, he still acts cold. Until now he still loves your mother, your mother's departure always makes him sad. Your mother died of cancer.