Don't force the hobby onto her. You may enjoy it and she may not now but possibly later down the road. If you constantly are pushing the issue, she'll end up resenting you and things will go from bad to worse. You know the saying "opposites attract" and sometimes having too many things in common can be a bad thing such as spending too much time together. There are times when you both need to separate to do your own things, hanging out with your own friends or even solo rides will do wonder for the soul.
My wife complains that I take better care of my bikes more than the house and I simply tell her there's a bike waiting for her at the shop. All she has to do is pick it out and we can ride together. She hasn't taken me up on that offer yet.