Complicated relationship with my grandmother, need some help?

My grandma had a hard life. Her husband wasn’t the best and my dad (her son) also caused a lot of problems, but she keeps him in her life. Along with her other children. They really took advantage of her/ blamed her for things that my grandpa did. My grandpa can be thought of as this ‚traditional’ guy who’s pretty strict and kind of cold.

My grandma complains a lot that my mom caused her life sorrows. But tbh I think my dad is a big part and her other kids don’t have the best track record. One thing about her is she gives people chances and gives a lot. My parents didn’t really raise me growing up, she did. And while she tells me I need a significant other, or she tells me sometimes I’m stubborn and I’m like my mom..: I always called her when I had a problem. I always called her to talk. She doesn’t really understand that I wish I had more friends and a social circle, but she does say I will probably get out of my shell if I do things around others.

Recently when it comes to health concerns I’ve had, she’s really helped. And I’m an adult, but I still call her and tell her things. Because I feel less alone and while I don’t want to bug her I feel like she cared. My parents often would disregard or even make fun of me. She actually listened. If I said can you come with me to go look at prom dresses? She came. If I asked her to go to my graduation? She came, parents didn’t. I asked her to just get coffee with me? She comes. My parents don’t do that stuff. And sometimes I think none of my family understand, even she does not. But when it comes to certain things it’s like she does.

I find myself really confused by this all. Because with my recent mental health I just wanna step back from everyone. But now I don’t know. Maybe it’s more of a vent but.