It's good when you immediately understand a difficult topic,but when you have a friend who doesn't understand it and asks for help,it becomes difficult.Now you and Fred are sitting in the Gryffindor common room.Night has already come,and everyone has been asleep for a long time

—I'm tired...

said the guy sleepily, leaning his elbows on the table

—Why didn't you ask George to help you?

you mutter displeasedly

—Because I wanted to spend time with you

Fred said quietly, looking away