Creditto Warner Bros., JK Rowling, and Alan Rickman.
At seventeen, this is what Harry's hormones had to endure everyday. How could he be expected to look at this man, and not want to do more? No matter how much Snape pissed him off, he knew he'd return to Hogwarts one day as Snape's equal, and wear the man on his arm properly. He didn't know if he could handle that much wizard, but he wanted to try.