You kept fucking, and real Jessie kept cumming, but Fantasy Jessie never thought it was good enough.
Then when real Jessie dropped off you in a heap of post-orgasmic bliss, Fantasy Jessie confirmed what you knew all along. "Nope, sorry, not good enough for this body. You get to see nothing more." You felt like you could hear the pulsing in your cock as the door slammed shut on your desires.
And that's how you fell asleep.