Only ever read BKV in trade, and my original read of Y the last man was a literally beginning to end in a few days haha I never really thought about the cliffhanger thing as a defining trait of his writing, will be thinking about that next time. For me, it's the characters, really great character journeys that you can tell he really cares about and contain aspects of his own life and experiences. Y the last man about basically growing up and realising things about yourself, and that the one might not be the one, Ex Machina being post 9/11, his political thoughts maturing and life as a new yorker, and Saga about becoming a parent and that not necessarily making you a mature adult instantly. I haven't always related to certain aspects, but in general, his stuff has always managed to speak to me at the right stages of my life. He's older than me, but I think everyone goes through those journeys through young adulthood, your first serious relationships, becoming aware of the world around you, realising your parents are people too with flaws, and often yourself in ways you didn't expect due to certain life milestones. Got Paper girls vol.1 sitting in my basket right now, can't wait to check it out.
Bit of a sprawling post there sorry haha but I think I got my thought across.