They make eye contact often
They smile a lot around you
They find reasons to talk to you
They reply quickly and consistently
They ask personal questions about you
They remember small details you mentioned
They seem nervous or shy around you
They tease you playfully
They mirror your body language
They make time for you
They initiate contact first
They try to keep the conversation going
They compliment you often
They seem interested in your opinions
They laugh at your jokes
They notice changes in your appearance or mood
They go out of their way to help you
They ask if you are seeing someone
They try to be near you
They act differently with you than with others