‘And I shall be left alone with George! But suppose it isn’t cured,’ said Miss Henschil of a sudden. ‘Suppose it comes back again. What can I do? I can’t send for him in this way when I’m a married woman!’ She pointed like an infant.

This is from "In the Same Boat " by Rudyard Kipling.
https://www.kiplingsociety.co.uk/tale/in-the-same-boat.htm

I don't understand the meaning of "pointed like an infant".