The writer realizes that plants are on the windowsill...plants that need water...that she's been here for two days with plants that need water.
The writer successfully pours water over the leaves of Plant No. 1, which, far from doing the intended "running down the leaves into the pot," splashes all over the bookshelf in front of the window.
Several minutes later:
The writer panics again, looking at her blog's calendar, thinking she's been 20 for nearly four hours and didn't realize it, then realizes that no, that's tomorrow.