1. Blushing
2. Taking steps backwards
3. Hiding face in hands
4. Shifting glances all around
5. Widened eyes
6. Crossing arms across chest
7. Taking a defensive pose/stance
8. Stuttering
9. Scratching back of the head
10. Shifting weight from side to side
11. Exaggerated hand motions (fanning self, vague gestures, etc.)
12. Nervous quirks (playing with hair, the twisting hem of the shirt, etc.)
13. Turning head diagonally (downward/upward) sideways
