She's never going to be re-attracted to you if she doesn't respect you, and she's never going to respect you if you're allowing her to carrying on her affair -- literally -- right in front of you.
Start with the no calling/texting OM from inside your marital home, immediately. Who pays for her cellphone plan? Your internet connection?
You said she doesn't work outside the home; what else are you paying for that's enabling her to continue her affair? Lingerie? Hair (beyond a basic cut)? Other?