Grieving only child feels like a failure

DEAR HARRIETTE: My mom passed away this year suddenly and tragically. I am still in shock about it. I was her only child. All we had was each other, and that’s all I let her leave with.

I never graduated from college or had a great career; I never bought her a house or helped her move out of the one she raised me in. I feel like I failed her, and I hate knowing that she is gone now and won’t ever s…