I am an energetic person.
energetic
[英][ˌenəˈdʒetɪk] [美][ˌɛnɚˈdʒɛtɪk]
adj.精力充沛的,充满活力的；精力旺盛的,精神饱满的；（措施等）积极的,有力的；雄健的