How come Jehovah's witness people don't socialized with people outside of they're religion?

I want to date this guys at my job but he is a Jehovah's witness and I made eye contact put my most sexy clothes on and I said Hi sexy to him ever since he has been avoiding me.

Is it because I am not a Jehovah's witness?

How come Jehovah's witness people don't socialized with people outside of they're religion?
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