there are many reasons this could be happening. he is extremely good looking and has a great personality, you are bored at work and found him a good reason to come to work, you may be in a routine in your marriage, even if a happy one, and this thought of being with someone else sounds exciting.
everything aside, if you do go ahead with what you are thinking about him, it could put your marriage and work both at risk. why to shake things up when it's all good, especially at home?
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