According to Vault.com, 48% of respondents have known a married colleague to have an affair with someone at the office. In addition, 40% know of a married or seriously involved co-worker who had a romantic liaison with someone other than their partner while on a business trip. 82% of respondents say they’ve known of an office romance between two co-workers, and 50% know of at least one couple that went on to get married. As far as the respondents themselves, 46% admit to having had an office romance, and 23% have had a romantic tryst at the actual office. Places trysts occurred include the boardroom, the janitor’s closet, the break room, a stairwell, the parking lot, the restroom, and the boss’ office.