I absolutely love this and completely understand it

"When he left me
it was like a day in hell"

I can defiantly relate to this, and I think that many other people can relate as well. Which makes the readers want to read more of this poem.

"My heart was ripped into a million pieces
My soul ran away with you
My mind shut down
All I could do was cry"

I like your use of imagery in this stanza, it created a clear picture in my mind. I loved it very good work.

"Then I realized
When you died
so did my heart"

I like this innocence in this stanza, Its great, innocence in poetry is perfect. Its one of my favorite things in poetry and I loved the way you used it.

"I would never love again
I would never see the true beauty of life
I couldn't ever feel the same way about anyone"

I like your honesty here, its very honest and many can relate to this. Which makes this perfect for people to understand. And they would want to finish reading this poem. This poem is very good I like it.

"When you left so did my heart
I hope you took it with
So with this I ask
Please Remember Me. "

I like your ending, this ending gave your poem depth and meaning, it was very good I loved this poem and you are a very good writer, you should keep up the good work ;) I enjoyed reading this very much. You should check out some of my poetry sometime ;);)