They do love each other very much i have read there novel it's a highschool trope with separation if u read abt young ashley he is so innocent all the three alpha kids have some personality traits from him grayson is like high school ashley the kinda funny one spoiler:both him and grayson named there dick lol,chase is the mid 20s ashley where he self destructed and Nathaniel is like present ashley

Maybe I'm insane but it's interesting that compared to their Papa (Alpha), the Miller Brothers (idk if the third one is getting a manhwa, if so pleaseeeee spoil if he's a dominant omega, based on the pattern, most likely but still) chose partners that are actively stubborn, strong and extremely virtuous + possessive towards the people they care about. I have no idea if their parents had a manhwa/novel dedicated to them, but based on what little information we have of them. It seems like their Dad (Omega) is a bit of a pushover all things considered, and their Papa definitely has multiple screws loose, but most importantly, it seems like they fell out of love due to work? Pheromones? (Based on Grayson's POV) Or just something unknown...
Now Sigmund Freud----/jk
Anyways I think it's interesting that the people the brothers did fall in love with people who did seem like the complete opposite of their parents. Now obviously people are unique and identical to a degree. So I won't be surprised if it's revealed that they did have similarities to point out.
Anyways, all this to say that they definitely have a type and I can't blame them.
DANE AND JOSH PLEASE ONE CHANCE IS ALL I'M ASKING PLEASEEEEEEEEEEE ILL DO ANYTHING