It was a clash of instincts; scream at charging rodent, or try and catch her (presumably) enchanted boyfriend before he got outside and got lost.

Or some animal ate him. Oh god.

"No! Romeo!" she said, trying to scoop him up. "See? This is why we don't wear tacky things! Tink-senesi is going to be so mad at you!"

Yes, because that was clearly the important thing here.