Ivan Pavlov Theory

Oh~No, I can't jogging at today, this three times can't execute my health plan, so I go to school after buying breakfast, recently I start to make good environment in order to make concentrate as fast as I can, this is a interesting experiment, the dog can automatically go to right food place by its sense, that tell me changing environment is important to you, if you want to effective finish jobs or tasks. In the laboratory we want to go home as early as I can, the big goal in front of me, it can boost my patient! I enjoy the high-performance .