TV ads promoting the joys of drugs such as Viagra, often feature a morning-after Casanova who appears to be in seventh heaven as he leaps the fence and skips along the sidewalk in the sure and confident knowledge that yes ... he got it up the night before. The ads are supposed to be a celebration of sexuality, but when you think about it, they're really, well ... sad. If you need a pill to get it on with your partner, a few questions should be asked about why you require chemical enhancement in the first place.