What am I saying when I write romance?

Sure, there are steamy love scenes and interesting locales for engaging in them in my books. I've grown to love writing those scenes because they provide more details about the sort of people Ren and Galen are through how they treat other. And for me to get into characters, whether I am the reader or the writer, I want the details, no matter how personal or private. Sex scenes offer opportunities to reveal a couple in their most vulnerable state. Are they having fun together? Or simply fulfilling physical need? Do they tease with love or a need to dominate? Does the intimacy in the bedroom (or in this case, the museum, the forest...you get the picture) continue into their everyday lives? More than anything else, I want my characters to navigate true, selfless love--the sort worth fighting for. Just the other day, I saw--in real life--where I wanted Ren and Galen to end up in their later years:

I was at an event at a church. Further down my row, I found myself startled to see an elderly man playing with his wife's hair. It seemed such a 'young couple' thing to do and it floored me. I actually got teary. Occasionally, he would squeeze her shoulder, then go right back to twirling a lock of her hair. That was a couple who had seen life together. They probably saw the good, the bad, and the ugly and came out of it together. Sure, people express love in different ways, but I was so touched by them, that I could see Gale twirling Ren's hair in their golden years and it was such a perfect moment. That simple action spoke of partnership, friendship, attraction, the need of one to be near the other, and true love. And that's what I want my character couples to project to readers. I hope it's coming across. 
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Thanks for reading,
Love, Dani