Making signs make more sense

If you ride SF Muni very often, you may have noticed a slew of new ads featuring men holding signs. Usually these signs say things like “I like to be kissed” and “I share needles”. I believe these signs are meant to encourage men to get tested, or possibly just to be more open in talking about STDs, but I’m not exactly sure how… luckily some genius with a sharpie has helped better express what the signs could mean: