MMC,
I think I know how you are feeling. I feel like I am in the excact same place. I too had the "theroy" like Frank_D and Rob1231 recommend. And there had been plenty of posative changes. I do think it was good that we stayed in the same house but........ Now is the time... I don't know about you but I am scared. I like you know that I did not make the decision that has lead up to this but I am the one paying for it.
It's nice that your BIL knows the truth and can give you support. I know once we start this process of letting our W know it can no longer be this was and they need to chose we will feel alone.
Stay strong buddy. You have my e-mail. I plan on telling the W to get on the wagon or get off there i no more sidesaddle. Mine will be not so much asking her to move out but we need to sell the house and go our seperate ways unless she want to participate in our marriage.
yoyo wants me to read "Love Must Be Tough" by James Dobson

I am getting it today. maybe you should look into it also.

Manuel


And if I claim to be a wise man, well
It surely means that I don't know