Before saying anything to her, you might want to have a sit-down with an attorney to learn the nuts and bolts of how a divorce would be structured. Those two kids still have to be provided for. Have you thought about how your finances will be affected when you have to pay child support and set up a second household for yourself?

Sometimes a couple stays married "for the sake of the kids." It became fashionable for people to say that kids don't benefit from parents staying in a sham marriage. They have a point. But ask yourself what, exactly, will your life be like, if you leave. There is no guarantee you'll find someone to fall in love with again. I think your thoughts about a love from 30 years ago amount to a fantasy. You might consider going for counseling to develop a clearer sense of what your options are, realistically. I think the counseling might work best, if you went alone.