Kinda surprised you found that. I'm nearly 100% sure that is a bug. If you keep entering conversation and staying silent it continues to change your stance. I have no idea when or where your stance changes but it even does it on a fresh character. As you can see from the picture (can this be nsfw? lol) the characters legs actually cross behind and the shoulders are forced back while also forcing the chest forwards. Perhaps this isn't a bug, but it isn't necessarily attractive. Would be nice to have selectable stances or slider to fine tweak that if that is a thing.
Also, you mention the gray bar charging. You mean the AP bar? This thing I cannot really figure out. Some battles it slowly charges, others it rises when you attack (or take turns). According to the stats page the breasts stat heavily affects the AP regen.
Lastly, Ego for what I know affects the penis and balls size. Winning battles or being aggressive in them boosts your ego while losing or being passive either decreases it or does nothing for it.
