You answered your own question. You will not get the response you’re looking for. The person who cares the least about the relationship is the one in control. She’s in control right now but that will change if you choose for it to happen.
In all likelihood your W is having an affair. Is that a dealbreaker for you?
M:50 W:45 T:22 M:16 S:14 D:10
“Don't chase people. Be yourself, do your own thing and work hard. The right people - the ones who really belong in your life - will come to you and stay.”- Will Smith