Answer:
Estella affects Pip because he's infatuated with her social status more than anything
Step-by-step explanation:
Since the first time that they see each other they start the kind of interaction they will have along the play where Pip is amazed by Stella's "perfection" which in fact is a constant feeling of inferiority inside of Pip, he tries all the story to become a gentlemen only to be worthy of Stella's attention, which at the end he will not have because Stella is empty and cold.