How can I play hard to get but in a way that makes him want more?

How can I play hard to get but in a way he wants more?

I’m not one to give out my number to anyone because I get a lot of attention and I don’t want creepy guys on my dm, but one guy in particular has caught my eye. He’s part of the group of people that are always “throwing flowers at me” if you know what I mean.

With face masks it’s all been polite comments and sometimes even daring requests to hang out without me even without knowing them which of course I won’t do. But this guy hasn’t tried anything, he’s a mail man at work and he always brings me the letters and winks at me smiling. I don’t want to slip the number on a paper 😂 and I know he’s probably in a hurry. How can I get him to be more interested?
How can I play hard to get but in a way that makes him want more?
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