He was not in the least like Dickon, but he was evidently so pleased with the idea of a garden no one knew anything about that she thought perhaps he could be trusted.

But she had not known him long enough to be sure.

The second thing she wanted to find out was this: If he could be trusted--if he really could--wouldn't it be possible to take him to the garden without having any one find it out?
The grand doctor had said that he must have fresh air and Colin had said that he would not mind fresh air in a secret garden.

Perhaps if he had a great deal of fresh air and knew Dickon and the robin and saw things growing he might not think so much about dying.

Mary had seen herself in the glass sometimes lately when she had realized that she looked quite a different creature from the child she had seen when she arrived from India.