Behavior of others are often not innate-intentional but situational:
2-1a6c ‘Inertia’ - In most ordinary moments the situation thinks for us, and these seemingly insignificant decisions compound.
5-2c1a 自己シグナリング：人間は、他人を評価するのと同じで、自分で自分の行動を見て、自分の性格を判断している。
But remember the Black Swan:
5-1b3 How much we can change is also unpredictable