You already know that she isn't hearing you. She doesn't care to listen. As for the ring, what does wearing it say to you and your kids? Personally, I wore mine until I wasn't married anymore. I didn't give up until then.
She has her own demons to work out now. Work on you and being a stable and strong parent for your kids. Focus on that and you will start to feel better, I promise.
kat
Me-53(and learning!) S24, S21, D18, D17 Just keep swimming, Just keep swimming. Dory