She was recalling a news story from the 80s in which a new mother had killed her child in a fit of sleep deprived rage.My mother then said
"It could happen to anyone"
To which I said
"But she killed her child that is unforgivable"
Then I was met with this
"YOU DON'T KNOW WHAT HORMONES DO TO A WOMAN ESPECIALLY NEW MOTHERS"
ここには何もないようです