the proof of the pudding (is in the eating) in British English.
The windows to the soul. Your eyes communicate more than you may think -- and you canât always control everything they reveal. Body language experts tell how to read a personâs eyes to tell if theyâre happy to see you, disgusted, bored, stressed and even lying. Pupil size.
If the person is not telling the truth or does not believe what heâs saying, you can notice hints and read body language movements to decipher this. Through movements, gestures, eye contact and facial expressions, you can read into a personâs truest intentions.