Maintaining eye contact for 4-5 seconds can significantly increase feelings of attraction, as it triggers the release of oxytocin, the "bonding" hormone.

Mirroring your conversation partner's body language and speech patterns subconsciously makes them feel more comfortable and connected with you.

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Lightly touching someone's arm or shoulder during conversation can build intimacy, but should be done sparingly and only if the other person seems receptive.

Flashing a genuine, Duchenne smile (where the eyes crinkle) makes you appear more approachable and trustworthy.

Using open body language, such as standing with your shoulders back and avoiding crossed arms, conveys confidence and likeability.

Asking questions about the other person's interests and then actively listening shows you are engaged and interested in them.

Playful teasing or light-hearted banter can create a fun, flirtatious dynamic, but it's important not to cross the line into meanness or sarcasm.

Wearing red clothing or accessories has been shown to increase perceived attractiveness, likely due to the color's association with passion and fertility.

Subtle flirtatious touches, like grazing someone's hand or fixing their collar, can build sexual tension, but should only be done if the other person seems comfortable.

Incorporating humor and laughter into conversations triggers the release of dopamine and endorphins, making the interaction more enjoyable and memorable.

Avoiding negative topics and keeping the conversation upbeat and positive creates a more attractive and approachable demeanor.

Maintaining an open, relaxed posture and avoiding fidgeting or nervous habits can make you appear more confident and self-assured.

Complimenting someone's specific traits or accomplishments, rather than just their physical appearance, shows you've put thought into the interaction.

Leaning in slightly during conversation creates a sense of intimacy and makes the other person feel special and valued.

Practicing active listening by paraphrasing what the other person says demonstrates you are truly engaged and interested in the conversation.

Maintaining a warm, friendly tone of voice and avoiding sarcasm or cynicism can make you seem more approachable and likeable.

Using open-ended questions that encourage the other person to share more about themselves can help build rapport and make the interaction more enjoyable.

Avoiding overt sexual comments or innuendos, at least initially, can help create a more comfortable and respectful flirting dynamic.

Paying attention to the other person's nonverbal cues, such as body language and facial expressions, can help you gauge their level of interest and comfort.

Remembering small details about the other person, such as their hobbies or interests, and bringing them up in future conversations shows you've been listening and care about them.