Identify specific indicators in these chapters that Jem ans Scout are growing up and seemingly growing apart

"On Saturdays, armed with our nickels, when Jem permitted me to accompany him (he was now positively allergic to my presence when in public),..."

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“They’ve been fussing, Scout.”

Jem and I fussed a great deal these days, but I had never heard of or seen anyone quarrel with Atticus. It was not a comfortable sight.

“Scout, try not to antagonize Aunty, hear?”

Atticus’s remarks were still rankling, which made me miss the request in Jem’s question. My feathers rose again. “You tryin‘ to tell me what to do?”

“Naw, it’s—he’s got a lot on his mind now, without us worrying him.”

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Jem's initial reaction when they find Dill under the bed and learn he's run away.

“You oughta let your mother know where you are,” said Jem. “You oughta let her know you’re here…”

Jem was standing in a corner of the room, looking like the traitor he was. “Dill, I had to tell him,” he said. “You can’t run three hundred miles off without your mother knowin‘.”