when two people look into each other’s eyes at the same time
eye contact
move your head up and down
nod
sit or walk with your shoulders bent and head down
slouch
bring your eyebrows together, showing you are annoyed or worried
frown
physical space immediately surrounding you
personal space
curving your mouth upwards in a happy expression
smile
making movements with your hands
gesture
move one's hand to and fro in greeting or as a signal
wave
a particular position/the way you hold your back and shoulders
posture
to sit with one leg placed over the other at the knee
cross your legs
