Calculating the Probability of I Love You

Zayn assumed bad boy and presumed druggy. Niall Horan nerd of another level, Zayn finds a keen interest in Niall and tries get him, but it becomes harder when Niall absolutely clueless as to what Zayn's was trying to do, but Zayn's persistent enough to try and find love in the most socially inept person in their schoo...