I felt my right eye was smaller than my left eye.so I started to train my right eye. After a while, when I train it (with training),my right eye will be bigger than my left eye. I can’t do it with pleasure.

I felt my right eye -was- smaller than my left eye, so I started to train my right eye. (train it to do what? Train it to be larger? This is unclear). After -a- while, (next time is not needed here) -after- I -have trained- it, my right eye will be bigger than my-left- eye. I can’t -do it right- or I can't win.

I felt my right eye is smaller than my left eye, so I started to train my right eye. After a while, next time, when I train it, my right eye will be bigger than my left eye. It's not fun to do.