How do Ponyboys relationship with Darry and Sodapop differ

Ponyboy's relationship with Darry and Sodapop differs because Darry is more like a father-figure parent to Ponyboy, while Ponyboy and Sodapop have a friendly brotherly relationship. Darry has been thrust into a parental role which Ponyboy often resents. Pnyboy feels more at ease with Sodapop.