not trolled not crying posted:

I thought that was kind of the point of her character that there was this silent and unspoken rule in the family that even as kids they knew their dad was a bad man and hangs around with bad people (the bowling alley scene). When Hoffa disappears, it underlines the fact that they (or at least Peggy) knew exactly what had happened and no words are even needed to make it obvious. Of course there are probably essays being written already how Scorsese doesn't have female characters but it was so underlined here how her silence was another burden Frank has to carry with him.