Ponyboy’s relationship with Darry in The Outsiders is tense and parent-like, while his relationship with Sodapop is affectionate, trusting, and easier for Ponyboy to understand.
Darry is Ponyboy’s oldest brother and legal guardian, so he often acts less like a brother and more like a strict parent. After a group of Socs jump Ponyboy while he's walking alone, Darry scolds him because he is afraid Ponyboy will get hurt. Ponyboy hears that concern as criticism. The conflict gets worse when Ponyboy comes home late from the drive-in: Darry becomes furious and slaps him, which makes Ponyboy run away from home. Ponyboy even tells Cherry that Darry does not like him, though Johnny and Two-Bit are surprised by that, suggesting Ponyboy is misreading Darry.
Sodapop, by contrast, is Ponyboy’s emotional safe place. He defends Ponyboy when Darry scolds him, tries to explain Darry’s point of view, and often gets stuck between the two brothers. Ponyboy can talk to Soda more easily because Soda is compassionate, fun-loving, and supportive rather than stern. Early on, when Ponyboy tries to convince himself he does not care about Darry, he admits, “Soda’s enough,” which shows how much he depends on Soda’s warmth.
Over time, Ponyboy begins to understand Darry better. At the hospital, after the church fire, he sees Darry crying and realizes Darry is afraid “of losing another person he loved,” having already lost their parents. That moment helps Ponyboy recognize that Darry’s harshness comes from love and responsibility. Sodapop’s role becomes clearest near the end, when he breaks down over their fighting and begs them, “We’re all we have left. We ought to be able to stick together against everything.”
Darry loves Ponyboy through protection, sacrifice, and pressure, while Sodapop loves him through comfort, loyalty, and mediation. By recognizing these differences, Ponyboy develops empathy for his brothers and learns that there are many ways to express love.