NB: Excuse the butchering of the title, especially since it's not exactly what this thread is about. Yet it's the best that I could think of off-the-cuff.
Anyway, how could we get the West to relax some of its sexual mores? For example, an acceptance of sexuality, abstinence-only sex education being seen as preposterous, premarital relations not seen as immoral, etc. I know something along these lines happened in the "free love" generation, but I'm looking for it to be more accepted societally and without the huge backlash of AIDS and STDs.