Each matchup is highly, highly likely, but here's a definitive calculation of which love is strongest, truest and deepest.
Best friends, even. But "Directioners" — as their emphatic fans so name themselves — aren't so easily convinced. The evidence of inter-1D love and lust, well-documented by fans hungry for the big gay truth, is hard to refute. Sure, it might just be surging pubescent hormones. Or innocent displays of European man-on-man affection. Or, I don't know, some kind of elaborate, cruel, taunting joke.
BUT I BELIEVE THIS LOVE IS REAL.
Here, a definitive ranking of which 1D-on-1D romance is likeliest, based on such scientific measures as they held hands one time and also touched each other's butts.
This is science, and therefore irrefutably true. To begin...
Niall is the adorably shy one, and perhaps the least appreciated of the five, while Harry's been crowned the band's de facto front man. Popular boy courts sheepish, enchanting blond? Classic love story.