Mm, nice try, but I've already read all of the nasty things you've said about me. You gave up your right to get out of not telling me what you want when you posted- ah, let me make sure I remember this right-” His eyes unfocus as he pulls up an embarrassing post you made months before being properly introduced to your robot-cum-boyfriend “Ah! Here we are- You said: ‘I want Mettaton to fill my mouth and pussy up with his glittery pink cum.’ on your Tumblr."
You can feel your face become red and you staunchly avoid eye contact with Mettaton, who is grinning absolutely evilly as you squirm in embarrassment. You also try and fail to not remember writing that. You fail fantastically at trying not to remember the multiple times he's fulfilled that fantasy for you.