You have a daughter then some 10 years later a son. One day you discover their father has been abusing your daughter. You decide to keep it all under the carpet as basically the damage has been done and you do not want to split the family. (This is what she told me as the reason)
The son goes on to have a fantastic life with good career and stable
marriage/offspring. The daughter does reasonably well career wise
but spends years in therapy .
I am guessing the mother also had a great home and lifestyle or at least a break up would have not been good financially