One good turn...

As she climbed into the passenger seat, lorry driver Frank had never seen such a beautiful woman hitching a lift.

“How far are you going?” she asked as they moved off.

“Well....” he started, licking his lips lasciviously. “How far are you prepared to go?”

“Now before you get any ideas....” she warned, “I’m actually a witch! I’m very grateful for the lift because my broomstick’s kaput, but any funny business and I will put a spell on you and you’ll turn into something else. Maybe a frog... or a worm!”

Frank laughed and promptly turned into a lay-by.