I am french and I've just read Jonathan Hales interview in the French version of the Star Wars insider. Lots of great stuff in here...

Hales talks about the love story between Anakin and Padme, the way it drives the story. It's not an immediate passion. It grows and evolves, going through good and bad moments. He even says that, from this point of view, Episode II has the more complexe human dimension of all the Star Wars movies...

Here is something you're all gonna love : Hales talks also about Anakin and Obi-Wan relation. Althought they are quite serious as master and padawan, they have humorous dialogues with each other that are a great fun to write !

I can tell you that there is no big celebration at the end of the movie (or not a really glorious one). It ends with a "narrative bridge" which leads to Episode III (I think we can reasonably call that a cliffhanger). It is a mix of "triumph and tragedy"...

There is a "wonderful" part of the plot where Obi-Wan investigates something which leads him to a very important step of the story. Hales doesn't give any further details, so you are free to speculate as much as you feel is necessary...

All of this is really great and Hales seems really honest and sincere when he talks about the script. He didn't just polish dialogues. He worked intensively with Lucas to build a story from the basic plotline that George had already written... I was surprised to learn that Hales involvement had been decided even before TPM was produced.