Well, she's glad that whatever Ianto is imagining is apparently more amusing than the actual reality. But maybe it would be helpful for him to be familiar with the reality, if only so he can be forewarned should he ever encounter him here. So she tweaks his dream until the Doctor's shape appears by their table, motionless and uncharacteristically expressionless.

"No, he isn't from our universe," she says regretfully, glancing up at the image. "He would not know you. He even has trouble adjusting to my humanoid form." It's all quite troubling, and she can't just ignore or avoid it.