A woman's search history has been used by authorities to convict her of murder [news.com.au] after her husband died. Natasha Darcy was guilty of murdering partner Mathew Dunbar with her plans to inherit his $3.5 million farm exposed as she attempted to lie to police about her actions and intent. Key evidence was found in her search history which matched up to physical evidence found.
Same things goes for porn and your marriage.