“Moths, and all sorts of ugly creatures,”... replied Estella, with a glance towards him, “hover about a lighted candle. Can the candle help it?” (Ch. 38). What is she trying to tell him? How does he respond? What does this conversation tell you about who

Estella is trying to tell Pip that she can't help attracting men..... as a beautiful woman, men flock to her in the same way a moth is attracted to light.

From the text:

“Moths, and all sorts of ugly creatures,” replied Estella, with a glance towards him, “hover about a lighted candle. Can the candle help it?”

“No,” I returned; “but cannot the Estella help it?”