Does the OW know that your H shows you her texts? Maybe it's time to call her and inform her that you're back to sleeping with your H, and that her pathetic pleas are making it worse for her. IOW, tell her to f.off/get lost. What I would do, but I don't know your whole story. Trying to keep a man by threatening suicide is so pathetic.
Me:57 H:52 M:28 Got another lawyer last year and filed. D35,S/D twins28,D22 EA4/04 End? Who knows? "Life is like a mirror. Smile at it and it smiles back at you." — Peace Pilgrim