Even if you two were to have some affair, when it all came out, and trust me it always does, he would not leave his wife for you. They never do. And in the end you will be the bad guy, and you would be left out in the cold. It's just a bad situaiton all together.
Attention: NOTHING on this site may be reproduced in any fashion whatsoever without explicit consent (in writing) of the owner of said material, unless otherwise stated on the page where the content originated. Search engines are free to index and cache our content. Users who post their account names or personal information in their questions have no expectation of privacy beyond that point for anything they disclose. Questions are otherwise considered anonymous to the general public.