The changes you will see depend upon your commitment to maintaining a regular exercise routine. Similar to investing in a bank, the more your put into your fitness program, the more you can expect from it. Once you start exercising, you can expect to see positive physical and psychological changes. Some of the physical changes will include more effective weight maintenance, feeling better, elevated energy, increased endurance, higher levels of strength, more restful sleep, increased alertness, and additional flexibility. In addition to the physical benefits, you can expect positive psychological outcomes including strengthened relationships, new friendships, and a more positive self image.