Do you think it's OK if dad breaks the Playstation after repeated warnings and requests?

Schoolwork, homework, everything, would be left undone. Then warnings, instructions, and a ban on using the PlayStation. When he just goes back to playing and leaves his homework undone, his angry father runs into his room and demands that he turn off the PlayStation immediately, or something will happen. His son says, "After this level,"…

What arguments would you give your father when discussing whether to continue or discontinue my orthodontic treatment?

After the party I wasn't allowed to go to but went anyway, and my six loose braces, my father wants to hear my arguments as to why I didn't loosen them myself and why we should continue my orthodontic treatment. What arguments can I give him?