It can make them less physically attractive
They can be prompted by other into making hasty decisions
It can make them seem guilty even when they have done nothing wrong
Maintain eye contact
Record all proceedings
How are you?
Did you get the bus today?
Do you feel guilty?
How do you feel about the last few weeks?
"What effect do you see these changes having?"
"Do you regret the changes you have made?"
"Is there anything you wish you could have done differently?"
Here's an interesting quiz for you.