More often than not, the relationship will lose its steam when the sex gets repetitive and boring and she will move on to someone else (or return to being faithful to her husband).
You are her second option and don’t daydream about her divorcing her husband for you.
The upside of such a relationship is that you are with an experienced, matured and (most of the times) financially independent woman; the downside however can be depressing and emotionally draining.
Read up to know about the Downside of Dating a Married Woman.
Workplace relationships are unique interpersonal relationships with important implications for the individuals in those relationships, and the organisations in which the relationships exist and develop.
Studies show that workplace relationships directly affect a worker's ability to succeed.
Nothing hurts a man’s ego more than his wife sleeping with another man.reported that people spend approximately 50 hours per week in the workplace.Because so much time is spent at work, people often develop friendships within the workplace.As in this case, since you are the 'other man' you will be targeted by him.Shrugging off responsibility, feigning ignorance about her marital status or blaming it all on her is not going to help your case one bit.
Workplace friendships lead to more cohesive work groups, more satisﬁed and committed employees, greater productivity, greater goal attainment, increased positive feelings about the organisation, can make both good and bad jobs better, and are a factor in preventing employee turnover and employee desire to leave the company.