Buy lots of rose petals.  You can get like 200 of them for $3.50 online.  Find a way into her house before she gets up in the morning.  Shower them from her bedroom door to another point in the house where you will meet her with a dozen roses.  Say to her, that you have been doing a lot of thinking and that you realize how much you'd be giving up if you just let her go.  You can have a breakfast made for her, or something so that you can spend time with her afterward.  Girls like breakfast and the fact that she was important enough for you to get up early to see her will definitely sweep her off of her feet.