I want a story about people being together not getting together. Honestly I can’t find it in me to go look for them as my eyes gloss over reading the same descriptions
Want to check this out?
https://myanimelist.net/forum/?topicid=1874850
It's a spreadsheet which includes a list of manga with romance. I would go with the tags "Married Couple" or "Early Couple" in the spreadsheet to find what you're looking for.
you HAVE TO READ <Under the Oak Tree> !!!!! It starts with a marriage and it's about them developing their relationship in the best way for each other while overcoming their traumas