OP I get it and feel the same. Am late 40's now with two DDs of my own. So hardly immature.
Some of the earliest memories i have of my mother is of her lying about things that had happened to me in order to make her look good. For example, I was a bit ill once, had earache or something and she took me to the GP. I remember afterwards that she made a big fuss to my grandparents about that consultation, how the doctor told her that she was one of his favourite patients, how he knew it was serious because she wouldn't have brought me otherwise and all loads of shit like that. My memory of that consultation was a cursory exam and a ex for antibiotics. I know people might conclude that as a child my memory is defective, but I was 8 and have a sort of photographic memory for events.
I was also told and believed that when I was very young i would always pretend to be ill when she was as I was jealous of her getting attention. As I got older, and developed cancer in my late teens, I realises that the converse was true. After the dx she took a lot of interest in my condition, but not me, if that makes sense, but that was because she wanted to play the role of the upset mother in order to get attention.
It was only really when my own children were ill that I realised just how fucked up her response to me was. When my DDs were injured in a car crash a couple of years ago. The utter despair I felt and the bargaining with a God I didn't even believe in, made me realise that my mother wasn't reacting the same way.
So no, I don't think I love her anymore. I won't miss her when she dies because I have been grieving for a mother for over 40 years anyway.
With my dad it's a bit more difficult because he's a different character. I logically know that he's weak and enables her, but he's a good dad. So it's hard to think of him not being there.
I, sorry for the rambling. Hope the DM doesn't read this lol