"En gång räcker för att inse hur tråkigt ditt sexliv var innan."
A glossary of terms.
The school system is where we need to start educating young people about sex and relationships, because it rarely comes from parents.
Later this week, one of the directors of our new film 'Chemsex' will be taking part in a panel discussion about this rising phenomenon.
It's the Jeykll and Hyde of recreational drugs: take the right dose and its euphoric; take a miligram too much and it becomes deadly.
We talked to some British male escorts about the popularity of GHB, mephedrone and crystal meth at gay sex parties, and how they're expected to take these drugs as part of their jobs.
Until the planet explodes, melts or drowns, humans will want to get high.