High Intensity Interval training is a time effective and time efficient exercise. A workout can take 30 minutes for the unfit to 16 minutes for the fit person.
Influencing children to exercise is possible if the parent sets the example. The child watches and follows what the parent does not what the parent says.
When starting exercise, keep at it until you cross the exercise threshold. Continue to making deposits into your integrity account to make the habit a success.
Exercise becomes a habit when one crosses the exercise threshold that separates the gym freaks from the non-exercisers. Here it becomes painful to miss exercise.