What is Scouts assessment of jems changed behavior after he won't let her kill the rolypoly

From the text:

"Reckon you’re at the stage now where you don’t kill flies and mosquitoes now, I reckon," I said. "Lemme know when you change your mind. Tell you one thing, though, I ain’t gonna sit around and not scratch a redbug."

"Aw dry up," he answered drowsily.

Jem was the one who was getting more like a girl every day, not I.