Tonya Reiman, author of the book , described Mr Trump's manner as "completely different" from his encounters with other leaders.
“Every single [previous] handshake I’ve watched - and I’ve watched them all - he’s the one who wants to be the dominant force [and] literally makes you lose your footing," she told the She suggested Mr Trump was wary of appearing "chummy" with the Russian President, amid ongoing investigations into claims Moscow interfered in the US Presidential election to his benefit.
Vanessa Van Edwards, an author and behavioral investigator, says that exposing the neck allows pheromones to be released into the air.
Understanding how someone feels about you romantically can be a challenge, especially if you are just getting to know each other.
However, if you pay close attention to the body language of your love interest, you may notice some signals that can clue you in on how she is feeling.
Pheromones are an odor agent secreted by a member of a species that is believed to attract members of the same species.
Tonya Reiman, author of "The Body Language of Dating," suggests that when a woman tilts her head it is a sign she is open to attention and trusts that the other person won't hurt her. If your date feels comfortable enough around you, you may notice she is mirroring some of your mannerisms or movements.
For instance, if you stretch your arms up, she may do the same.