In high school , I was always a slender and athletic girl . At 6 feet tall , it was easy to put on 5 or 10 pounds without anyone noticing . I played a sport every season and enjoyed food . When I went to college , I was the cliche : about 15 pounds , but lost it quickly , before my wedding .

Answer the following question: What makes it so that it is easy for the speaker to lose weight ?
They are an athlete and frequently do physical activity and work out