Also keep in mind that one of the primary indicators of whether children are healthy and successful adults is whether they had healthy parents in healthy relationships. This is the primary reason I became a couples therapist in the first place. I believe healthy romantic relationships are the building blocks of a healthy society. So if you feel selfish about wanting help with your relationship, try focusing on what it can do for your [future] children. I truly believe the best thing parents can do for their kids is model what a healthy committed romantic relationship looks like.
Finally, don’t settle for mediocre. Don’t settle for roommates, housemates, or coparents. All these types of relationships can be functional, but they’re certainly not optimal. Studies show the average couple waits 7 years after a problem first occurs before seeking help. You can imagine how many layers animosity and resentment can get in the way of solutions by then. Do yourself and your family a favor and don’t put it off any longer. Seek help from professionals who have been trained specifically for your relationship issues. I’ve seen it make life-changing differences in people’s lives. It won’t be easy, but the ends definitely justify the means.