Guy won't show me his face?

I know a guy but I ve only see him wearing a disposable mask (seen his face from afar not close) and when I gave him my contact number to get in touch, he doesn't text or call through Whatsapp. So I still don't even know what he looks like.

Is he hiding his face and original personality as once we start talking on a personal level, he would have show his face through meet ups etc and he's either conscious about it or feels he's not good enough? Or he's jerk?
Guy won't show me his face?
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