What three factors shape our personality

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 dancer so i get cardio a lot)

Iwill mark you brainlest if you answer this question

The only negative consequence of eating too much sugar is tooth decay. a. true b. false