Shifting weight from side to side What it means:
They are uncomfortable with the topic.
Any change in behavior is another indication that he or she is uncomfortable with the topic at-hand. "When you bring up a pivotal issue, you're looking for a shift or change from that baseline of calm," says Wood. Some examples include shifting weight from side to side or starting to rub the face, neck or legs."
Other cues that might indicate uncertainty: a slight tilt of the head, pupil dilation, shrugging of the shoulders and frequent blinking, says Tonya Reiman, body language expert and author of The Body Language of Dating.