1. “Did people really do this? See somebody on the street and take her away, as if communicating with others of the human race were the simplest thing in the world?”
This quote explains well the assertion. It refers to how difficult can it be to Peggy to relate with others. This was when James’ aunt and his mother invited her to Charley’s for ice cream. Peggy did not know what to answer because she does not like socializing with others.
2. “My own sadness isn’t something I admit to people.”
This supports the assertion because it explains how difficult it is for Peggy to express her feelings to people. Also, we can say that Peggy is a reserved person who does not feel comfortable