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