I think this explanation is different now....probably because we will be seeing Ana's naughty side in the next update... I have been arguing fans since last 2 years saying that Ana is not decent..but they always showed your previous statement saying Ana is decent and pure and strong will power and should never cheat... I remembered one year back I even said a normal married woman cannot be so much Noob/naive to sex when men approach her but they always supported that developer said Ana is naive to sexual experience as per developer mentioned.
Now this sudden explanation saying Ana has hidden sexual urges and suppressing her natural desire is new. But anyways...i always wanted corruption of ana so whatever reason will be there to corrupt ana more, i will support so Yay to this explanation.
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See I made a major miss to the story's main plot and thought Anna was getting corrupted. Mr. Palmers' 'spoiler' or as I like to say, personal notes clarified who and what Anna really is. And yes, it does make sense Anna's behaviors, so a major strikeout for me.
But that just opens the door to whatever Mr. Palmer wants to take the story. I rated the game a 3 out of 10 (maybe soft 4) to this point--we just haven't seen enough to get an idea to know just how sexual Anna is or sexually adventurous. Now an easy solution would be for the player to see some of Anna's sexual fantasies by one means or another (naughty books she likes would be a good way... a flash back of a book or movie Anna liked...etc.) And there are other ways that would clue us in just how nuclear Anna's passion is.
The problem in story telling (writing) with some key pieces not explained and clear for the audience is misunderstandings that seem to cause plot-conflicts and the illusion of plot holes. From Mr. Palmer's notes Anna's history alone would make for a good game on its own. If I am correct the next release is Anna/David conflict to set their relationship where Anna can make an excuse to do x, y, and z. It's a good strategic move to push the story along.
It's the release after this coming one where the door starts to open and hopeful Mr. Palmer takes his time to establish Anna's lust and passion that explains her behavior. Again, flash backs, trips down memory lane, going through old photos or letters, etc.
So let's assume as an example there is a scene where Chris visits Anna and he makes his move and almost gets Anna into bed. It would give Anna a clear idea of actually going through with sleeping with Chris. A plot tool to work with Anna thinking of doing it with Chris could be a memory where she had a one-night stand where she was dating another guy, but the relationship wasn't formal boyfriend/girlfriend yet--cheating but not really cheating on a technicality.