You should just be open & honest about it with her, and make sure she knows that you're not rejecting her, you just don't believe in religion any more.
I made the mistake of keeping my doubts bottled up instead of telling my wife, and she was angry when I finally told her that I didn't believe any more.
I made the mistake of keeping my doubts bottled up instead of telling my wife, and she was angry when I finally told her that I didn't believe any more.
Christian apologetics is the art of rolling a dog turd in sugar and selling it as a donut.