What are some psychological facts about attracting people?

What are some psychological facts about attracting people?
Ignore as much as you can because the more you ignore the more they would want you. (If you want any person to know your value then try this)
Don't be always available for any person. The more available you are the less interested they will be.
Confidence is also an important quality for attractiveness.
Most of us are attracted to the ones who are less interested in us.
Most people will be attracted to your face first and then your body.
Natural beauty is more attractive than makeup.