I could not drink it, Sweet — Sweet Talk

I could not drink it, Sweet, 1
Till You had tasted first,
Though cooler than the Water was
The Thoughtfulness of Thirst.
(F.816/J.818)
[1] drink:: to apprehend and enjoy. Sweet:: sweet talk.
[2] tasted:: examined before to serve.
[3] Water:: tears (after the disappointment at "You"). cooler:: heart is cold; tears are warm.
[4] Thoughtfulness:: moodiness, anxiety. "I could not enjoy your sweet talk, until you had examined it first; though the anxiety of to desire it was cooler than my tears."