| 1 | So don' t let your life and your mind slip away. | |
| 2 | Ferdinand has always found the game sufficiently easy that he has been prone to let his mind slip - even when at his peak. | |
| 3 | Somebody, in the session, is disengaged and sabotages the effort. | |
| 4 | One of the largest inhibitors for students is often mental block. | |
| 5 | Professor Green , known to the world as a scientist, is not only absent-minded but short-sighted as well. |