>>I think my most important role as a parent is to stay one step behind my son.
So, he can do everything.
>>CORRECT
OR
>>So he can do everything on his own.
He can find diverse solutions for them by himself when he go through many falures.
>>He can find diverse solutions for himself when he goes through many failures.
Also he can trys to do many things what he wants.
>>Also, he can try to do many things he wants to.
At that time ,looking at him,silently as parent.
>>At that time, looking at him silently as a parent.
OR
>>At this time, I am looking at him silently as a parent, reflecting on his growth.
Giving him many chance to do somthing,I think the most important rol of a parent.
>>Giving him many chances to do something, I think, is the most important role of a parent.
But I don't do this ways, now.
>>But I don't do things this way now.
It's too hard to watch him for me without shouting.
>>It's too hard for me to just watch him without shouting.
So, I usually couldn't sleep well at every night, because It makes me pailful.