Oh, I see. [It was also weird to imagine what Toph would be like if she hadn't been sent home ever. He'd really be left in the age dust then.] I don't know much about her previous time here... but I guess that this time, a lot happened to influence her on letters. From people she became close with, to - to y'know, the things she found out. [Lin.] It must've given her a lot more to think about.

[And he also wonders if leaving a Sokka and Katara who had to endure her departures many times in the past also factored into leaving them something to remember her and their friendships by this time around.]