Strength and Constitution both represent physical toughness. Strength is your ability to project your physical presence on the world around you; Constitution is your ability to resist the physical power of others.Thanee said:I just think that force of personality (Charisma) is what makes a person strong-willed (Will save), not insight, intuition, perception (Wisdom).
However, there's no question, that Fortitude should be derived from Constitution, not Strength.
Similarly, Charisma is your ability to project you mental will onto others; Wisdom is your ability to resist manipulation. Charisma is an innate knowledge of interaction, how people behave, or how they will react to certain words/actions. Wisdom is knowledge of self, inward-looking rather than outwards, the sense of who you are and what it is that you believe in. From that knowledge comes the ability to resist manipulation, mental control & domination, or other things that try to convince the character that he is something he in fact is not.
I've certainly known people who were very good at manipulating others but had very little willpower themselves. Or big, tough guys who were stayed in the background for the most part, but steadfastedly refused to be used as muscle by guys with a lot more guile.