Pinky it's not nice to pry, doubly so into a past someone would rather forget
She must have some ulterior motives in mind, prodding his traumatic past like this, making a big mockery of it, of him, as if intentionally reopening old wounds left by his mother.
Whatever her motives are, I hate women who intentionally press people's buttons like this. She just got dropped to 'least favorite daughter' on my list here.