As teenagers grow up, they become increasingly independent and start (make) their own decisions. However, during this period, it can be easy for some of them (form) bad habits. These bad habits, if (leave) unchecked, can lead to more serious ones when they become adults. To change bad habits is never easy, even with many (attempt). The good news is that we can change our bad habits if we understand habits work. To facilitatepositive change in our bad habits, we must first examine our bad habit cycles and then try to adapt them. We can do this by(combine) the information from our habit cycles with our own positive ideas. We can also use the habit cycle (create) good habits. Many of us try to change bad habits quickly, and if we are not successful straight away, we often become pessimistic and give up. As a matter of fact, the most successful way to change is not suddenly, over a period of time. To reach the goal of change, a person must(repeat) take many small steps. Young people have the power to build a happy and healthy life full of good habits!