Originally Posted by
andyprough
As soon as that baby arrives, the length of your daily bike commute will be the least of your concerns. Enjoy the time though - babies are the best! Get one of those baby bike seats and enjoy the slow neighborhood riding for awhile.

As the father of two, ^^this. As someone with a leg of a commute that is 5 miles or so, just use it as a training ride. Sprints, rests, higher cadence, higher top speeds, etc.