I personally don't think 30 minutes would ever cause me some kind of issue. Currently my commute is 1 hour 10 minutes, through a combination of walking, bus and

I personally don't think 30 minutes would ever cause me some kind of issue. Currently my commute is 1 hour 10 minutes, through a combination of walking, bus and train (i live in europe) and I am rather unhappy with it, although it is something i've gotten used to.