tumblr_mmmp5jdNUD1qmcbq9o1_500 Buckle your seatbelts and hold on tight, because 2PM's new single and the accompanying video are nothing short of absolute perfection. The single, "All Day I Think Of You"—which, we promise, we do the same)—was just released as a follow-up to the lukewarm "Come Back When You Hear This Song." From lukewarm to boiling, cause this single is the jam. Even better, though, is the video, black & white and perfect all over! Check it out: What do you think?