Went with Lawrence × Holo (Spice and Wolf) because to me it felt like the best give and take romance type.
But >.< to many choices, should shorten it by either; era, genre, or even length of the pairing ;/
It's disgusting that the worst couple is actually first. SAO is like the most awful anime ever made. I'll go with TaigaXRyuji, even if there are a lot of awesome couples.
I had a hard time picking since I know a lot of these pairings, but gotta go with Oreki and Chitanda's unrequited love for each other. It seems painful, but cute at times.
I dunno if I should be happy that SAO (Or as I like to call it 'Hey guys don't you wish you had my perfect Waifu')is not the top couple, or I should be depressed that it is doing so well.
And where are the couples in Baccano? There are so many perfect, fun couples in Baccano!