Sorry, missed your questions when the thread was quite active earlier on! We haven't made a decision on this yet. I'll note down that multiple people have requested it on our feedback document.
The bars represent the attitude portrayed by the mother based on her actions. She is either seductive, loving, or nonchalant in her approach to her son.
I wouldn't describe any choice as necessarily "correct." The best way to enjoy this game is to pick the choice that you feel is right in the moment. You aren't locked into any specific route.
The bar resets each day - but the consequences of how you acted on previous days are tracked in the code.