Discuss how increasing the intensity or changing the activity you practiced today vs. previously may have affected your ability to meet the success criteria. Give examples from your experience. Last time I played soccer, this time basketball

Ihave a really high metabolism and only weigh 70 pounds (13 almost 14). people always ask me two questions: do you ever eat and how do you eat so much and stay so skinny. i am worried that a high metabolism wont me forever. what are some safe steps i can take to maintain being fit. (also, i already work out i am a dacer so i get cardio a lot)