Well, given your userid choice, the only obvious and straightforward solution is to either read the novel by Kundera or watch the movie. Both the novel and the movie are good enough to be re-read/watched again.

Either way (reading/watching) should help.

Seriously... stop thinking about it. Let other things occupy you for that month, and then be sure to make love to her with abandon when you see her, many times. I do not see other options for your plight.