The mind is ever engaged in solving problems, whether the problem be internal or external. When do solving problems turn up against oneself?
Internal problems and inconsistencies is the nature of a conceptual self. The question should one work on the internal problems or should forget them and dwell simply in external problems is of significance here. The external problem could also be the manifestation of an internal problem. This could be the right point to have a look into oneself.
The person who keeps solving puzzles will have more puzzles to solve. Where and to what extent one may find problems and be lead to the pursuit of a solution, depends on the cognitive capacity of the mind. This points to the fact that we all are day to day solving puzzles. The question is, what are we seeking?