You also might not want to have the film developed at a local photo shop, so consider using a digital camera. Masturbating is usually a private activity, but performing the act in front of your partner can be very exciting. This might take some courage, but some couples seem to really enjoy watching each other get off sans assistance. She doesn't like the idea of having sex during that time of the month, so sometimes she'll masturbate and let me watch. Men are easily aroused by visual stimulation, which could explain the soaring sales of magazines like Maxim and Playboy.
Couples can enjoy visual stimulation together and learn more about each other in the process.
Pick up a skin mag or an X-rated movie and watch it together. You could both get turned on, and learn a few new things as well. Cook up some romance. So forget plying him or her with booze and whip up an aphrodisiac-laden snack or meal. It's fun to cook together, especially when the food induces kisses.