Worry is inevitable, but recognize it as something you CAN control. Concentrate on the positive, and use the techniques Michelle suggests to build the strongest love you can. There may be words that hurt, but notice the actions. There will be emotions, rightfully so given your current state, just don't base your actions on your emotions.
Where was he and whose back did he rub? That is what counts.
I think with time as he learns from this life lesson, he will soften his stance about affairs and being "justified". This is a learning curve that will be on his own timeframe. Do you hear the word "pressure" coming?
We have all learned by leaps and bounds from the insights we searched for on the web. We actively seeked the information we know as gospel, we just can't expect others to bow to our wisdom.
Take care and relax these last couple of weeks. (if possible) I'm sure you are as uncomfortable as heck, just be thankful it isn't summer with a ton of heat and humidity.
