The romance of the water analogy is relatively clear. The point of it is a comparison to the woman he loves as rain. There are many kinds of rain; a rough, pounding thunderstorm, feather-light, barely-felt drizzle, a cold rain mixed with ice, warm rain against a sunny sky... the kinds of rain are practically endless, and people all like their own kind.
The romance of the water analogy is relatively clear. The point of it is a comparison to the woman he loves as rain. There are many kinds of rain; a rough, pounding thunderstorm, feather-light, barely-felt drizzle, a cold rain mixed with ice, warm rain against a sunny sky... the kinds of rain are practically endless, and people all like their own kind.
And she is his.