We value our free time. It's non-negotiable, under any and all circumstances.

True, but unfortunately the chinese don't get that concept.

1 reason an on campus flat can become intolerable. Unless you disconnect the landline, doorbell, and just ignore the rude hammering on a steel door at any time of day, your free time WILL be infringed upon. The only answer at a public school is to have your own apartment, off campus, to which you have keys.