That is a good post topic—because "mature American relationships" in media often break the usual rom-com or melodrama molds. If you're writing or looking for a post along those lines, here’s a quick framework to make it compelling:

Move beyond "will they/won’t they" and focus on emotional realism —e.g., marriages recovering from infidelity (like The Affair ), middle-aged dating with baggage ( Someone Somewhere ), or co-parenting after divorce ( Marriage Story without the courtroom screaming).