3.5 years out from d-day my learning is that the early passion of falling in love is an illusion of nature played on our hearts and minds - all hormones and designed to help us get together. Of course there is nothing wrong with this but the real basis of relationship is not about falling at all, it is more about standing up. The truth about life is that it is full of things that cause us pain and suffering - the question in relationship for me is whether my spouse helps me reach a more spiritual place where I can live to learn the wisdom from the suffering - the wisdom that brings patience, acceptance and self-less caring for others.
So, my advice to you and to myself is to not expect it to be easy and full of the madness of early passion - but to seek something deeper. I also do not expect my wife to do this for me but know that my own happiness comes from sorting this out from within myself - I cannot make her anything different - I cannot change what has happened - I cannot change the world - But I can try to change my habitual reactions - I can be more aware of my responses - I can find a deeper and more spiritual love - I can find a place in which even infidelity is seen as something that I can learn from - learn to know that a bigger love is possible.
I know that this journey is not easy.
may you be safe and well, contented and happy