Same. It's almost certainly my highest ability, but in reality I'd probably only have a 13-14 (mere mortals, not the legendary PCs). My lowest is probably Dexterity, followed by Strength, but increasing either of these just doesn't seem worthwhile, as I've gotten used to being the way I am. I understand the advantages of Charisma, as I'm also not particularly charismatic, but I find most of those people to be shallow.Intelligence.
Already my high ability score (I think).
Charisma would make life much easier, but I keep in high esteem intelligent people.