I don't think she's necessarily 'exploiting' him but her words just cut REAL FUCKING DEEP.
Like that line, "to the person who you met only three times, it's not surprising that I wasn't in your mind at all".
That shit was like a dagger straight into his (now) innocent heart with a twist to the left, and then the right.
Now, she has ALL the rights to say that since she was neglected, but it does hurt the douchebag with amnesia.