A/N: This idea just popped into my head . . so i decided to make it a one shot ficlet . . .tell me if it's any good!

Disclamer: I own none of the characters, or the setting or anything else you recognize from the books. It is our beloved JK Rowlings, I only own my plot . . .so don't so me! (you won't get much anyways!)

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in the boy's 5th year dorm

"How can you tell when girls get their period?!" Sirus Black pondered out loud.

"What on earth made you think of that Padfoot?!" James Potter inquired.

"I dunno, I was just thinking"

"That's a miracle" Remus Lupin piped up.

"As I was saying, before I was so rudely interrupted" Sirus continued, "I was just thinking that we don't know for sure, so how do we know when we can get them in the sack?!"

"Please!" Remus groaned, "Is that all you think about?!"

"Well, there is a statistic that on average, guys think about sex every four minutes!" Sirus spit out.

"Well for you it's more like every four seconds!" James stated.

"True, true. But still how do you know?!"

"Well, for one they get boobs, ding-dong!" Remus said.

"So?! In muggle studies we learned that their boobs grow for a year before they actually get IT. So how do we know when exactly?" Sirus persisted.

"I think they get hair too. My sister says they get little black hairs under their arms, and you know, down there!" Peter Pettigrew spoke for the first time. He normally tried to avoid participating in these conversations.

"Well, I think the only way to know is to actually ask the girl!" James stated.

"Ok, Prongsie, since you seem to know so much how about you ask a girl, your girl, Lily Evans!" Sirus said.

"No way!"

"Dare you!"

"No way!"

"Double Dare you!"

"No way!"

"Dee-Double Dare you!"

"Prongs! There is no way you can back out of a Dee-Double Dare! Remember, we all swore to do any Dee-Double Dares! NO matter how bad!" Remus stated.

"UUUGGGHHH! Fine I will! But not directly!"

"YEEESSS!!!" Sirus cheered.

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down in the common room

"He, hhey Lily" James started.

"Oh! Hi James. What can I do for you?!" Lily's red hair gleamed in the fire light as she looked up at James.

"I was wondering . . . uh"

"Uh what James?!"

Suddenly James had an idea, "Do you dye your hair?!"

"No I do not James Potter!" Lily stated now getting mad.

"There's a rumour going around school that your hair is naturally black!" James said, ever so calmly.

"I can assure you James Harold Potter that there never was or isn't now a black hair on my body!"

"Ok then! Ok Sirus! She hasn't had her period yet!"

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A/N: So what did ya think?! It was a one shot but I liked it! Plz R/R!!