How to develop a lightweight

[Klimentiilymt]

Hello Stared solution for the Internet , with relatives , friends, but no one could not answer. The problem is this: the most that I can - 400 meters run. Then violent dyspnoea. Even with a reduction of large size for my age , the result is pathetic. Dad said to the wrong septum ( me and put her ), but I have no idea how it affects .