She repeats, “I love thee” which helps to make her feelings clear.
Her phrase “ideal grace,” have a floaty sound to them, and she is describing her soul “reach, when feeling out of sight
For the ends of being and ideal grace,” which creates a tone of longing and admiration as she reaches for “ideal grace,” presumably found in her lover.
The “soul” and talking about her soul helps to deepen her feelings and description of love.
Soul is something deeper than the surface level of emotions which creates a tone of passion.
She describes herself as loving,
“freely,” and “purely.” Her words are not necessarily sensible, but instead allude to deep feeling.
The tone shifts to be more
serious