My wife is a nice homely woman and she cares for me a lot. She has given a lot to this relationship and everything was ok between us. However, I met my ex girl-friend in an office party a year back. We have been having an affair since that fateful meeting. She is not married, and she loves me a lot and wants to marry me. I also love her and want to be with her. However, I do not know how to tell my wife that I want a divorce. I know in my heart that I will never be able to live happily with my wife, and will never be able to keep her happy too.