Not setting a goal to reach or a challenge to achieve is a common mistake people who start to work out are doing. Without a plan for your workout, you will feel discouraged after a short time, and then you will give up doing workouts.
7 day, full body, at home, body weight workout. This simple but effective. You will be surprised how your body becomes stronger in just one week. Combine this routine with healthy diet and you are on your way to go.