In the gift of the magi the summary is giving up something that means a lot to you for someone you love because even when something is so important to you a loved one means more
Evil deeds can continue to torment people long after the deeds are committed<span>.</span>
Answer:
The Dursleys didn't have a direct conversation on this matter in the book. But when hagrid came to pick up Harry, and tells him about his parents then Harry mentions that the Dursleys have told him that his parents died in a car crash.
The reason I think they kept him in the dark is pretty obvious, that they hated the magic world, pretty much because of Petunia, as she was jeoulous that her sister (Harry's mother) was a witch and got admitted to Hogwarts and she didn't and they wanted to keep Harry away from that as they didn't want anymore of that "nonsense" and wanted to live a happy ordinary life.
Explanation:
Will you remember me in 5 seconds
Yes
will you remember me in 5 minutes
Yes
Will you remember forever
Yes
Knock knock
Who’s there
You said that you would remember me