I usually GM for my group, but over the last several years of playing, I have learned a valuable lesson: don’t play talky, charismatic characters. I’m not a good improvisor and I feel neither comfortable nor convincing playing a smooth-talking character. Sauve, slick-talk coming from me sounds about as natural as an oral bowel movement.
From now on, I’m sticking to techs, pilots, and fighters (whether they fight with swords, magic, fists, or guns). No smooth-talking con men, slick politicians, or diplomatic leaders.