Vita Nuova: 'At whiles (yea oftentimes) I muse over'

At whiles (yea oftentimes) I muse over
The quality of anguish that is mine
Through Love: then pity makes my voice to pine,
Saying, “Is any else thus, anywhere?”
Love smiteth me, whose strength is ill to bear;
So that of all my life is left no sign
Except one thought; and that, because ’tis thine,
Leaves not the body but abideth there.
And then if I, whom other aid forsook,
Would aid myself, and innocent of art
Would fain have sight of thee as a last hope,
No sooner do I lift mine eyes to look
Than the blood seems as shaken from my heart,
And all my pulses beat at once and stop.