Possible Clues:

• I shall take a card, however discomfited
• A prankster's sick initially, being nervous
• Not assured of being sick with one that's annoying
• Nervous going up aisle, being tardy entering
• Nervous as I see a tall stranger
• Not feeling at home, I shall make a nuisance of myself
• Embarrassed, being queasy when not standing to attention
• Embarrassed allies ate stew
• Unable to relax
• Fidgety, maybe