Enemies Are The Best People (A PeterXTris story)

Peter Hayes is an 16 year old boy from Candor, there are five different factions Dauntless, Amity, Abnegation, Erudite and obviously Candor. They were believed to keep the peace that was broken by the war one hundred years ago. Peter meets an Abnegation girl named Tris Prior, he calls her "Stiff" because she is weak and helpless, eventually they start to grow on each other, the bullying stops and the name "Stiff" gets out of mind and something weird begins to happen between the two.