[ Getting even this level of encouraging response makes her relieved and excited to talk about it. Way better topic than Toph's age or whether she's ready to date someone, both personal things that are a little sensitive for her. ]

We're not crazy! Things have been happening that --

[ She cuts herself off. Toph doesn't want to mention her abilities on the internet, where she can't just immediately prove that they're real. Being discredited on them would hurt her deeply, especially since they've just come back to her. ]

... That makes me think it's not just dreaming during the day or fairies pulling pranks. There's something really big going on.