People who are forceful, enthusiastic, overbearing, highly strung, argumentative, directing, fervent, fanatical, they rarely change their fixed opinions and insist that others should be converted to them. They have strong will and can exhaust themselves through over effort. Symptoms may include physical tension, muscle strain, headaches, eyestrain, forceful expression, over activity, inability to relax. Vervain imparts modesty, gentleness and peace so that ideals can be attained without stress and hurry.