That in itself was doubtful.

Then when he began to stand up and move about he did it in a queer unaccustomed way and the others seemed to have to help him.

The robin used to secrete himself in a bush and watch this anxiously, his head tilted first on one side and then on the other.

He thought that the slow movements might mean that he was preparing to pounce, as cats do.
When cats are preparing to pounce they creep over the ground very slowly.

The robin talked this over with his mate a great deal for a few days but after that he decided not to speak of the subject because her terror was so great that he was afraid it might be injurious to the Eggs.
When the boy began to walk by himself and even to move more quickly it was an immense relief.