Because they get negative vibes from the other people who are negative
The shortstop positions himself between the third baseman and the second-base bag. The shortstop is considered the captain of the infield and takes charge on balls hit in the air as well as communication among infielders.
Actually cell can get big but they are smart enough to stay small and live off lots of small food, and there isn't enough food for them to live off of (if this is wrong i apologize)