Is prison really terrible? '

Prison is not as terrible as described in the movie. Now prison management is very strict and formal.

In prison, the prison police severely crack down on the behavior of prison bullies, and once found, they will deal with it seriously.

So, you don't have to worry about your cousin's situation, as long as your cousin listens to the prison police in prison,

If we actively reform, we will not suffer. Just rest assured.