He said-- 'Oh, yes, I daresay.

And then you would be wanting the coconut and things again the next minute.' 'No, I shouldn't,' Noel said.

It turned out afterwards he and H.O.
had eaten the coconut, which only made it worse.

And it made them worse too--which is what the book calls poetic justice.
Dora said, 'I don't think it was fair,' and even Alice said-- 'Do let him have it back, Oswald.' I wish to be just to Alice.

She did not know then about the coconut having been secretly wolfed up.
We were in the garden.