She's honestly so glad that Tidus seems to recognize the kind of scenario she's implying here. It's not like she just wants to dump all of Ple Two's personal details on someone else without the other girl's permission, after all, and Tidus's way of summarizing it makes it very easy to just nod to the explanation and have that explain it all.

"Yes, that's what I told her too. That exactly because things are so different for her back home, this is like.. um, an opportunity! Even though our situation is far from ideal, she's at least getting a chance to try things that she never would have been able to do back home, so I'm glad for that." Madoka pauses. Then she smiles at Tidus. "You probably feel very similarly about your friends, huh?"