One theory has it that no one knows your child better than you do. It would be more accurate to say that no one is in a better position to know their child than the parents, provided the parents conduct themselves with wisdom. If they do not, then the chances are good to outstanding that everyone in the church will know the character of the child better than the parents do.
Parental wisdom is not automatic. Parental defensiveness is. And harvest is a bad time to decide you don't like what you planted.
May we all be willing to *see* our children's sin so that we can help them defeat it more each day.