If people trying to pick you up at a bar came with user ratings.
He takes reservations but you should also have some about dating him.
It would be even better if this worked in reverse and you could find a single, mature male within a few blocks of your current location while you're out and about on the weekends. Although unlike when choosing a restaurant, we're not sure we'd want to date someone who had too many ratings. Oh, and by the way, this hilariously out-there concept already exists.