That lump in your throat isn’t about muscles – it’s about anxiety. Valium works pretty well at helping alleviate your stress. Be sure to avoid taking it during the day until you become more accustomed to it, and definitely don’t drive until you’re completely comfortable with it. Part of what makes us good drivers is our ability to react to stressful situations (i.e. oncoming traffic, accidents, stupid pedestrians), so be particularly cautious about driving.