Yes it definitely could be caused by anxiety or nervousness.
Tell you grandma the real reason(which she probably suspects anyway) and don't feel embarassed, try to make a joke of it. openly accepting these things sometimes helps them to go away.
The mind is like a parachute - It works better when it's open.
Post Edited (jethro) : 10/17/2006 3:58:17 AM (GMT-6)