Researchers surveyed more than 5,100 men and women. Respondents were asked to answer a series of questions, including "Am I good at using body language to flirt?" and "In modern society, are people cautious about flirting?" Based on the responses, the researchers divided the expressions of love into the following types:

Physical flirting: mainly physical contact to convey sexual interest to potential targets. Usually the relationship between the sexes develops rapidly, the call intensity is stronger, and the emotional relationship established is also better.

Traditional flirting: Mainly refers to men taking the initiative, while women maintain a passive role. People who flirt in the traditional way are usually introverted and tend to wait until they have known someone of the opposite sex for some time before taking action.

Polite flirting: Convey sexual interest to the other person in a more discreet way.

Sincere flirting: involves the use of strong words to convey sincere interest and desire, and is most commonly used in daily life.

Some emotionally uncommitted people may flirt in a flirtatious way, but this rarely leads to meaningful relationships.