Today, mother and son simply do not discuss such matters.
Anne and her mother discuss the death of their sister/daughter (who happens to be Laura).
The mother will not discuss her past, but her daughter wants to know what happened.
"It's not settled yet; your mother and I are still discussing the idea."
My mother had never discussed the options with me.
For the second half the mother discusses her observations and experiences.
She and her mother had often discussed the delicate role of the life science officer on a major space mission.
A mother doesn't sit a boy down and discuss such things.
"My mother would sit down and discuss what was going on," she said.