I would add more about Rikku and Yuna becoming prostitues, and how Rikku is now the dumb blonde every good sex appeal game needs but it has been said before. No need to add except this little addition...

Wait!? What's that? Rikku says:

Quote Originally Posted by Rikku, at the Clam Lands Travel Agency, after Tidus tells her to come up with a plan to save Yuna
This is a toughie!
Yeah, she's still dumb. Wait a minute...
Wasn't she trying to challenge a 1000 year old belief, that seemingly had no way out, and WITHOUT Tidus and Auron's knowledge of Sin and Jecht, and how everything works? AND she's trying to save her cousin, who I'm convinced she cared about? Yeah, she was ALWAYS dumb...