A type of five lines of batting practice

A type:

A type is an introverted children's shoes, lack of confidence to oneself, so does everything carefully, lead to progress like A snail, sometimes really want to push him behind him bitterly step, also always suppress their true inner feelings.

No one knows which side is his real side, often talk things, just talking to focus, not to say, the appearance of the secretive, really have an impulse to hit him.(Blood type and personality /xx/)