Life in a metro.
Cross the road to the station in a mad hurry at 5..4..3...2...1..Dodge the express paper man.. Run down the escalators, quick look at the train schedule, run to gates, touch SmarTrip, run to next escalator, run down left side of moving stairs, fling urself into the open doors of the coach, only to hear "ding ding - Step back doors closing"

Phew. Breathe.