Here's a few of the things I went through as a little kid:
1) She used to put shyt in my food and threaten me that if I didn't eat it all she'd beat me. So whatever she put in my food made me gag and throw up, and she sat there laughing hysterically and poking me in the head, while I was crying and vomiting all over myself and continuing to try and eat that food she tainted with something.
2) Used to beat the shyt out of me with any and everything she could get her hands on. Belts, cords, rolled up newspapers, shoes, you name it. It got to the point where she would make a sudden move and i'd flinch like I was about to get hit. She saw my reaction to this and found it funny, I think she got off on the power trip.
3) She used to stab me with utensils like forks and knives.
4) Used to cuss at me and take out all her frustrations on me verbally every day. Yelling, cussing, calling me all kinds of names non stop.
5) As I got older she could no longer harm me physically or anything like that so at one point she pulled a gun out on me. She used to start arguments with me on purpose when I was a teenager just so she could escalate them. Again it's like she got off on the power or drama of it all. She even called the cops on me one time because I cussed at her once, even though she pulled the burner out on me and cussed at me like 10000 times right beforehand.
So no I don't have a good relationship with my mom, and frankly don't care if she lives or dies.
So when someone has a bad relationship with their mom, don't assume that person is a bad person or in the wrong. You have no idea what that woman could have done to that person when they were growing up.