I've been seeing (not dating, just fucking but with emotional investment) this girl for a year now. She had a boyfriend and I was sleeping with her on the side. She broke up with her bf a couple of months back.

She's been really attached to me the whole time. I was aloof initially but I've started to get emotionally invested in her. I tried to keep this in check due to the red pill principles. I moved to a different town, around 5 hours away, a few months back. We've still been seeing each other fairly regularly, once in two weeks or so.

Today, she suddenly tells me that her feelings have changed and she doesn't want to see me anymore. She doesn't want the pseudo relationship. Doesn't know what she wants either.

How do I deal with this? Letting her go is the only option I may have, but I'd like to keep her as a plate somehow. What's the best course of action that I can take? FYI, we were planning to meet up in another city (flying there), this weekend. I'm thinking I'll tell her to come anyway to talk about it in person. Is that a good idea?

TL;DR - been seeing a girl for a year (overlapped with another bf of hers), she's not interested anymore (very sudden). What do I do

EDIT: note that she's very submissive, and I dominate her in every way