A parent drives a child to the boathouse before sunrise on an ordinary Tuesday. The speaker is the mother, and the poem is mostly about why she does it. There's no bus at that hour, but the real reason runs deeper: she knows her time of being needed is short. The line "before he's grown & gone" carries the quiet ache of the poem, the awareness that these early rides won't last.
What she feels is tender but understated. She doesn't complain about the hour or make a speech about sacrifice. The word "shuffle" suggests a sleepy, dragging routine, yet the poem ends by naming that routine as love. The final lines, set apart and short, make the point plainly: love can be a small, tired, practical act.
The mood is hushed and gentle, with a hint of bittersweet looking ahead. The short lines and plain wording feel like the dark, quiet car itself.