I am all, but two.

I am nothing, but an unpure maid,
With nothing, but a habit to split,
To live in two, my heart does claim,
That she to you is eternally knit.
I am nothing other than a barking hound,
That howls all its counsels unsweet,
And life inside, would be too profound,
To be troth, and a-stretched to be neat.
I am nothing, but two girls who try,
To live with another inside,
And one may laugh while another does cry,
But her counsels to me, she'll confide.
Lest I die, before you love me troth,
I'll break mine link to her as oath.