I am currently taking 40 mg of Celexa and 36 mg of Concerta a day. My question is this: Is it okay for me to take a herb called Kava when the Concerta wears off by the end of the day? On days when I have the weekend with my wife, I need something after the concerta wears off and then I'm left with trying to control my moods. I need to be stable for my wife...any advice? Is kava okay to try?