Please help me figure out what movie this is from!

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"What'd you need a sleeping bag for anyway?" "I sleep over at John's each year for his birthday" "Okay, that's not creepy?!?" "Maybe it is a little creepy when a young boy loses both his parents in a tragic accident and then has a best friend make a promise that he will never spend his birthday alone...I guess that would fall under the category of--creepy..."