Hailey's not too surprised that Ben doesn't recognize her when he stops to change her flat on the road into town. Of course the most popular boy from their graduating class doesn't remember the quiet, nerdy wallflower, She was only at Trinity High for their senior year, and it has been a decade. She is surprised when he flirts with her though...
Ben could charm the birds right out of the trees, so when a beautiful and mysterious stranger won't give him her name or number, he's intrigued and a little knocked off his game. When he later finds out they've actually met before, he realizes he has some making up to do. Luckily, Ben loves a challenge.
There's nothing wrong with a little playful flirtation—or even a hot fling—especially not when the participants are willing and able. It's not like anyone is going to catch feelings. Certainly not the town playboy...