The guy who works with my father winked at me. What does it mean?

I'm sure he-s not flirting because he works with my dad and calls me 'hey kid' so it's not about that. So why? Since I did not offer him coffee on purpose (last time I asked a question about this) he has changed a lo towards me, he's friendlier and nicer to me and asked me how's going at... show more I'm sure he-s not flirting because he works with my dad and calls me 'hey kid' so it's not about that. So why? Since I did not offer him coffee on purpose (last time I asked a question about this) he has changed a lo towards me, he's friendlier and nicer to me and asked me how's going at school, how are my grades, what I think about this team etc..., at first he told me 'do I teach you how to braid your hair?' When I offered him to help him with the boxes. Anyway, why did he wink at me? To make me uncomfortable? He said 'bye kid' winking at me.
Update: So this is what happened (I know it's long): https://answers.yahoo.com/question/index?qid=20181015120907AAmsdJG. There's no need to tell my dad all in all he's nice guy hee just nswered back unpolitely on purpose and I'm still mad at him for this that's why I didn't make for him. But why... show more So this is what happened (I know it's long): https://answers.yahoo.com/question/index?qid=20181015120907AAmsdJG. There's no need to tell my dad all in all he's nice guy hee just nswered back unpolitely on purpose and I'm still mad at him for this that's why I didn't make for him. But why friendlier now?
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