The notion of the phoenix probably means that love gives her hope for a change or better life. The phoenix symbolizes being recreated or reborn.
Explanation:
It is likely the author means that women often feel like love is their escape or that once they find a husband they can be reborn from having to succumb always to the wills of men in her life. A phoenix is a mythological bird that is reborn again after burning, emerging from the ashes as reborn. Love gives them hope for a time but then the "disturbed rest" and "painful signs" suggest that she suffers because of love as well. The entire poem laments the position of women at that time which was conceived as normally controlled by and subservient to men.
If Curtis writes quickly for five minutes about music, without stopping and when he is finished, he will read what he has written and pick out one or moreinteresting ideas, then this means that he is using the technique known as A. freewriting.