The lightness and darkness in tones and color.
Answer:
Lots Of Eye Contact.
They Ask Questions
They Ask Your Opinion
They Don't Talk About Other Romantic Conquests
Because they just want to conquest you, duh.
They Listen
They Really Smile
They Lick Their Lips
They Find You On Social Media
They Tell You Things About Themselves
They Want To Spend Time With You ....................................
there is a lot of things
C. they created portable shelters made from animal hides