... wouldn't have been Sirius if he hadn't taught Harry everything he knew about pranking and women. Although Harry took more after his mother and gained her temper when provoked as opposed to his father's knack for pranks, he still took part on occasion.
What very few knew about was that the Potters had a bloodline, the only one left in existence; The more magically powerful a Potter was the younger they would start their harmonic phase, which was the 'proper term'. Most Potters simply called it the Horny Phase, as it was basically puberty, only starting early and NOT ending early. Up side, his magical core grew by leaps and bound. Downside, his eyes were glued to any set of bouncing tits and jiggling arse that was within viewing distance a little more than a decade before they should have. And with the magical power Harry had, enough to rival a Dark lord when he was just a baby, well... lets just say Harry had a very healthy appreciation for the Female body the day he visited Kings Cross station. Although the fact that he was a hair under five feet tall and was two or three times more endowed than a boy his age generally should be due to his bloodline allowed him quite a bit of freedom and opportunities.
Stepping onto the Hogwarts express, Harry couldn't help but grin behin...