The Lament that Legolas and Aragorn sing at his departure is thoughtful as well. A call to the winds for news, all except the foul wind from the East.

‘Beneath Amon Hen I heard his cry. There many foes he fought,
His cloven shield, his broken sword, they to the water brought.
His head so proud, his face so fair, his limbs they laid to rest,
And Rauros, golden Rauros-falls, bore him upon its breast.
‘O Boromir! The Tower of Guard shall ever northward gaze,
To Rauros, golden Rauros-falls, until the end of days.

Given back to the river, the boat rides the falls, appears as a message to Faramir and drifts on out into the Great Sea under the stars. The line of the Stewards is over.

Men have feelings. Meatloaf, he’s a man. He would do anything for love

Yeah but it’s not as good as ‘The sea is always right’ or ‘A ship floats because its not a rock’.