Hello HopefulRomantic: I see this is your first post here on PC. So... welcome to PsychCentral! I don't think there is really much of anything I can offer with regard to your concerns. Hopefully there will be other members, here on PC, who will have some perspectives they can share. However here are links to some articles, from PsychCentral's archives that may be of some interest, the first by our host Dr. John Grohol, Psy.D.:

5 Secrets to a Successful Long-Term Relationship or Marriage

Couples Therapists Reveal: 15 Lessons I've Learned About Relationships

Improving the Odds for Successful Second Marriages

The Myth of the High Rate of Divorce

The Myth of the Perfect Marriage

https://psychcentral.com/lib/a-good-...dium=popular17

https://psychcentral.com/lib/marriag...dium=popular17

https://psychcentral.com/blog/why-he...ries-in-yours/

https://psychcentral.com/blog/how-to...your-marriage/