"Vader has nothing to do with this." True, the man was her father, but that wasn't something Leia particularly cared to confess to. Yes she had known this fact for a year now, and everyone here knew if they had seen the movies or were related to her. But Galen didn't know that. And right now, she wasn't about to divulge that particular bit of information. "As for how I look older, I was brought here last year, when I was twenty three...." Okay, how to go into this, "You died there, you know. But yes, the rebels escaped... we made your family crest the symbol of the Rebellion. It represents the hope your sacrifice gave."
Yes, it had been Leia's idea. But he didn't really need to know that right now. At least he was listening to her and had accepted what she said as truth. Because she really didn't want to find another way to explain it. The fictional bit was easy enough, movies, books, games. It was all over. The Apocalypse bit though? That was harder to explain away and she wasn't really sure how she could find proof for it.
"I can take you to a complex that's been set up for people like us. I don't live there anymore, but it's good for getting settled here. Protected from the dangers this world has..."
It was the least she could do for Galen. After all, he'd saved her (albeit after she made him destroy the Skyhook), saved her father, sacrificed himself for the Rebels. He was on their side. And everyone who was new deserved to be helped. This just... it was personal for all he had done for the cause and her family. Yes, she was avoiding talking about Alderaan, her father, well, Bail. He was her father even if biologically Vader was her father. There was a lot that had happened after Galen had died and it was painful for Leia to think about. The destruction of Alderaan, not understanding why she had felt all of those deaths. To meeting Luke, everything that had happened, all for public view because they were fictional here.