Here are three ideas for you to create romantic atmosphere using what you have (and don't need at home):
Create Romantic Light from Beer Can
All you need is one beer can and a candle - plus some imagination! Looks how some creative cutting creates absolutely stunning effect:
This project is harder to implement but it would be surelly appreciated. Besides, you still have a day! (Via Recycled Crafts)
A Heart Lamp
This one is for geekiest of us. But if you have time and love playing with LED lights, you'll find the idea great!