Responses
Over 10 years. I think they're around 16.
how... can you explain please?
He said over 10 years. The 10 years was repeated because to the other party he was marveling at the long length of time by repeating back what he heard. I'm pretty sure they're in high school, not middle school.
been swimming since he was three years old so it has been ten years = he's only thirteen???