四平八穩 is a merit lots of people lack.

Your English is pretty good, especially in that it does not have the thousand grammatical problems many blindly confident writers have. --I guess I am using understatement.

Sorry for not offering "improvements"; you might want to take another look at the following sentence, though, in terms of grammar and meaning:

Using our son Jerry as an example, Ben always pushes Jerry to somewhere near his limit, in regard to attention and ability.