For instance, a person with thin lips is often “business- like and terse,” and loves talking about work on a date.
Roberts says someone with a wide and full mouth, like President Barack Obama or Julia Roberts, is typically a very generous partner.
Someone with a narrow upper lip and full lower lip is trustworthy and someone with a tiny, tight mouth like Donald Trump can be self-absorbed.
For the complete picture on someone, Roberts recommends looking at a person's entire face, though, not just the lips. She's been on several tv shows to read faces and talk about it. Check out the clips below!