My tip is that if you're not the type that can easily read body language, or adjust your own body language, you're better off just acting genuine and yourself -

My tip is that if you're not the type that can easily read body language, or adjust your own body language, you're better off just acting genuine and yourself - rather than trying to fake charisma. Charisma minus all the non-verbal elements tends to equal fake/creepy/robotic.