Exercise is the silver bullet for a better quality of life. It is always good to look slim and fit rather than having unfit body. Think about how your activity level will change yourself. Successful in making physical activities as a part of your life, makes you an active person and help you continue to stay active.
People who are physically active often talk to others and share their experience about exercise. It would be good to find someone who is willing to provide support for being active like asking a co-worker, a friend or family member to accompany you for a walk. It will be good to have people who are supportive and interested in your active lifestyle.
Setting up reminders like writing your physical activity plan on the calendar, keeping walking shoes in the car, keeping a bag containing simple tools for exercise would remind you to be active. Try to hear as much music as possible while exercising as it keeps your mind busy and also not to get boredom.