What are some psychological facts for attracting people?

What are some psychological facts for attracting people?
Posture matters: If you stand up straight and make eye contact while talking to the people you are attracted to, it will make you more confident and attractive.
Have a strong sense of humor: It is thought to be a sign of Intelligence this is why, when assessing a potential partner, we tend to be more attracted to those who are funny.
Start the conversation first: Women are automatically attracted to guys who start a conversation, take the initiative and make them laugh.
...And always be the one to pull away from the conversation: It shows that you value your time and have other stuff to do. If you cut short your conversation the other person always wants more of it. It creates attraction.
Deeper voice: Men with Deeper voices are more likely to make a lasting impression on women than men with higher voices.