Why does this married guy like to say my name quite often and always good morning and makes fun of my laughs playfully and gives me attention?

I feel like he gives me certain attention but won’t admit he likes me and if I don’t really talk to him for a day or so he will come up to me and ask if I am mad at him and read my face expression and be like something is wrong with you today or you not in the best mood or he will say it will okay like am I imagining something or he just being a friend and nice guy to me?

Why does this married guy like to say my name quite often and always good morning and makes fun of my laughs playfully and gives me attention?
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