split rating syndrome

n. a case where the attractiveness of a person (you know or don't know) will shift drastically within a month or even week, causing your rating for them to go up or down, and making you unsure of how attractive the person really is.

"What the? Last time I saw her, I would've given her at least a 6.5 or 7, but today she's like a 3. She must have split rating syndrome.