Ple Two has made poor choices, but she's less sure that they're purely her own mistakes at this point. Given her age and origins, after all - they're both victims in so many ways, although obviously Zechs is a young adult now.

"I do not know what fate would await me. Who would be waiting for me. Here... there are people I care about, who care about me, who I can take care of." It's simple and it makes her feel good.