Make eye contact and smile
Start a casual conversation
Ask him about his interests
Give genuine compliments
Use light, playful teasing
Laugh at his jokes
Stand or sit close without crowding him
Mirror his body language naturally
Keep your tone warm and confident
Find reasons to continue the conversation
Mention shared interests
Show interest in his opinions
Be a little mysterious
Use subtle touch if appropriate and welcomed
Flirt through playful banter
Be yourself
Respect his comfort level
Notice whether he flirts back
Invite him to spend time with you
Be clear and direct if you want to show interest