Did Stargirl always do the right thing?

In my opinion, the only thing Stargirl does wrong is to attempt to change for Leo. She stops being herself, and tries to be what he wants her to be. She may do everyhting right for everyone else, but she cheats herself.

"She was not truly a cheerleader, but Stargirl dressed like one."

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"Did you see it?"

I nodded. I kept walking.

"Well?" She was hopping beside me, punching my shoulder. "Wha'd you think?"

What could I say? I didn't want to hurt her feelings. I just shrugged (24.17-14).

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"I'm giving up on trying to be popular and normal." Her face and body language did not seem to match her words. She looked cheery, perky. So did Cinnamon, perched on her shoulder.

"Don't you think maybe you should back off a little?" I said. "Don't come on so strong?"

She smiled at me. She reached out and brushed the tip of my nose with her fingertip. "Because we live in a world of them, right? You told me that once."

We stared at each other. She kissed me on the cheek and walked away. She turned and said, "I know you're not going to invite me to Ocotillo Ball. It's okay" (30.11-14).