They are blessed with extreme mental energy that they willingly throw into the causes they believe in.
The Vervain enthusiasm can be infectious, and they feel a strong need to persuade others to their own point of view. But at an extreme they are in danger of becoming fanatics, unable to listen to alternative points of view, and they may put themselves under a great deal of stress because they find it so hard to switch off and relax.
When we are in this state the remedy helps us regain our balance so that body and mind and be restored. It encourages the wisdom to enjoy life and the passage of time instead of always feeling the need to be active.