What is the construction of this phrase?

[hoangkha]

I have just seen this.
- Weeks later we went out and i saw his balck book bag in the back seat, just me being the curious person i am, i tried to go through it.
Should I send my Ex to jail? - Yahoo! Answers
What is the construction of the bold phrase, please?

 

[Barb_D]

An ungrammatical one.

 

[hoangkha]

Thank Barb_D!
Another one.
So, being the curious person that I am , I looked up the notes in Magic Noire
and I was astonished that they are Bulgarian Rose, Jasmine, and Patchouli WOW
Magie Noire Eau de Toilette Natural - Perfume and Fragrance by Lancome
I think that I am isn't needed but I am wondering why it is used in the above sentence.