As they are falling asleep, how does Ponyboy react to what Sodapop tells him about Darry?

At the end of Chapter 10, Ponyboy and Soda are lying in bed, and Pony asks him if he called for Darry when he was delirious at the hospital. Sodapop says that he did, and he also asked for his mother, father, and Johnny while he was lying sick in the hospital bed. Ponyboy was worried that he had not called for his brother Darry when he was sick. Ponyboy has a love-hate relationship with his older brother Darry, and is naturally drawn to Sodapop. Ponyboy would feel bad and awkward if he did not ask for his older brother Darry. When Ponyboy finds out that he called for Darry, he feels relieved and happy. Calling out for a person when you are unconscious means that you deeply care for them. If Ponyboy had not called out for Darry, it would seem like he does not value or care about his older brother.