maybe the first thing to realize is that there is no formulaic love. everyone gets to do it their way. will it work or not is a question that they have to answer over time.
Some have idyllic relationships and others don't. that is just a fact. we cannot go through lives thinking about what we can do different. some people are matched and others not so much. Even love cannot conquer core differences.

But love is becoming of life for it creates the desire to be together. as a human being, we cannot ask for more