The context of the following conversation is Quinn was having trouble coming up with ideas for the book report. Quinn took Carson's idea instead.:
Quinn says Carson gave me some great ideas for my book report..
The friend responds How did he know what to say?.
Quinn responds He's a real book lover and he knew  the book I was writing about..
The friend responds Wow. that was lucky for you..
Quinn responds It was a big help. I just needed an idea and it all seemed to work for a whole report..
The friend responds Good luck. I hope you get a great grade on it..