That reasoning is exactly why she hasn't tried to use magic to cure herself - if it were something less vital, like a leg, she'd already be trying, but her wings? There's no way she's going to risk doing something that might make her wings fall off.

"Ah, thanks."

There's a long pause as Hayate puts her thoughts in order before continuing.

"...am I the only one that wants to stay a pony, do you think?"