有野問.好重要

You can do it

But not too much

Like twice a day

Once 10 min

Because you are still growing

So do not do to much

Maybe you can go running to practice your speed
You can do as much time as you want when you are ages 18

I hope my opinions might help you with that

圖片參考：http://hk.yimg.com/i/icon/16/6.gif

會傢
隻手仲會大力d