Skip eating at a restaurant. Get a good brick of cheese, some pita bread, olives and tea sandwiches and go have a picnic. Enjoy the weather and it will be something out of the norm. She will probably appreciate it more than just a dinner at some place. It doesn't even have to be fancy food. Grab junk food. Her favorite candy bar or pint of ice cream for dessert. Have fun!
Is that what you wish your boyfriend would do?
Or already does, and you know you like it?