Ok can you help me out please? im confused?

My male friend has changed towards me lately doing silly things like compliments how I look, notices silly things about me, playfully teases me, I do catch him staring at me sometimes and let night while saying goodbye he hugged me and planted a kiss on my cheek then walked me to my car and before closing the door blew another kiss into me!!! what does all this mean please and thanks!
Ok can you help me out please? im confused?
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