Could he sense hesitation in her? Unlikely. Europa had been a lucky young woman once, blessed with his attentions and made royal and famous for it. Without him, Europa wouldn't even have been there.
"Then you should lead the way," he said to her with a pleasant smile. Beneath it he was considering all sorts of options for what to do with her, but until then he would simply wait. This wasn't Greece - some of his kin didn't recognise that, but Zeus did. You couldn't just snatch women off a crowded street and expect to get clean away with it just because you were a god. Which was a pity.