You can try and find ways to use your N.E.T time (No Extra Time) like when you are driving or in the bath or exercising. Get yourself an ipod and head over to
Nightingale Conant.
You don't need 3 hours a day for personal growth. I believe that the most important part of personal growth is PRACTISE and to use and aply some simple ideas. So often people get caught up in learning new stuff without ever applying it. You don't need a ton of new ideas to improve your life. you need some simple ideas that you can apply.