I don't feel grown up too. I'm 36 but everytime I pass near the places of my childhood (such as my school) I get sad almost want to cry. Every memory of teen age is filled with frustration, and since those problems aren't resolved I can't go on, despite my body is getting old. I have clinical depression (under treatment) and I feel that when my parents will die I will be shattered beyond recovery.
I used to love my grandma, but she died of alzheimr and left me with many haunting memories of her decay.
I'm sorry, I know I was supposed to support you... I can't even support myself.