Originally Posted by believer

betrayed - again, I never thought I would be telling people that I am happy they are leaving their relationship. My original belief was to fight for your marriage & exhaust all your option but what I was forgetting in that motto was if, your spouse is not putting forth the effort , you can not do it alone & it is time to leave.

you had a good point that if they do it once it might be considered a mistake, but if they do it again, it was no mistake and they will continue to cheat/lie over & over again. Better to get out now & cut your losses and try to move on with your life.
It is unfortunate that your 17 mon old has to deal with this but it is better to do it now vs. later.
good luck and keep moving forward. try to treat any contact with your wife like a "business" transaction.