Heather, I'm sorry he's still in poor me/blame mode, but he's going to be like that for some time. He's trying to convince not only himself, but the world, that he's doing the right thing. Truth is...everyone knows you and knows that you aren't the demonized person he is making you out to be. In fact, him taking the ow around and if she's trashy in all areas of her life, well...that says it all. I know it's hard not to let his comments to others get to you, but it's bs...don't allow it to bring you down. Hold your head up high, back straight and continue being the wonderful person that you are. Actions speak louder than words and yes, silence is golden too. By carrying on just as you have been says a lot to others and they respect you for who you are and what you are trying to accomplish. He, on the other hand, is yapping away and that gets old very soon.
Yes, he has drained so much from your life and the life of the children, especially during his crisis. That's why it is important to detach and keep the focus on you and your children. If he can draw you into his web of BS, he will take you down into the rabbit hole. Stay strong, stay positive...it's important.
I'm glad you visited w/your SIL and family. At least they had the right attitude and didn't not ask questions about the situation. That makes it a bit more safer and pleasant for you because it's not up in your face.
He sure likes to text you...doesn't he. I could come up w/a few choice words for that text this morning.
Enjoy your day and know that you are going to be okay. It just takes some time to feel better about the situation.
Sit quietly, the answers will reveal themselves when you least expect them to. The past is gone, the present is a gift and you need to focus on today, allow the future to reveal itself when it is ready.