No, I'm sorry. It makes little sense.
He abandoned his studies because he wanted to watch TV?
What does your mother have to do with your cousin?
Are you actually blaming his fondness for TV for a decision like dropping out of school?
What is the tragedy?
Maybe you mean something like this: I have a cousin who dropped out of school. You can find him watching TV at all hours, even midnight. If HIS mother had limited his access to TV, perhaps he would have paid more attention to his studies and he would still be in school.
Student or Learner