If she knew that was the effect it had, she wouldn't have said it. Sadly, precognition wasn't one of the powers she possessed.

She leans her head to the side, letting it rest against his.

"Honestly." she said with a laugh that was helpless but didn't sound choked (she had to wonder how she managed that). "You won't even promise a girl you'll love her forever?"

She didn't want to upset him, she was realizing that more and more. Still, what can she do?