Sonnet for my heartbreaker

This is a poem about wanting someone that you love, but now can't have.

Love like a dream he floats in
Not much time to spend
Making me lurk toward sin
My heart, I want to mend
Hurtful thoughts running through my head
Why must this hurt so bad
Why do you want her instead
When you speak of her it makes me sad
Why am I not good enough
How did you stop loving me
So quickly? This is so tough
I know my pain you can see
Do you really care
Weren't we such a great pair