Let’s check out the body language:
Genuine interest is shown when the hand lightly rests on the cheek and is not used as a head support. When the index finger points vertically up the cheek and the thumb supports the chin, the listener is having negative or critical thoughts about the speaker or the subject they are communicating.
This gesture is often mistaken as a signal of interest, but the supporting thumb under the chin often tells the truth about the critical attitude.
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What about when the middle finger points vertically up the cheek, and the thumb and index finger supports the chin?