water nourishes wood, but water needs wood as the conduit (or channels, if you will) in order to move from A to B.
Given their proximity to each other, and the course they both follow, look to localised issues in the jingjin (tendinomuscular), maybe.
"nourish the mother" ? I'm still figuring this all out.
Take a break if you want, ill catch up with some of your older posts! But don't go for too long!