You can run some adult dating sites landing pages, but competitors like ashleymadison probably give big price for CPC, those companies have a huge budget CPC can start from 0.3 - 0.5 usd - is no worth. For example sex in london is a 0.40 CPC but sex in miami - 0.70 usd.
anyway:
https://support.google.com/adwordspo.../6023699?hl=en