Do you ever feel like someone’s always watching you when you workout?

I had this guy watch me while I was working out and by the time I left, he left too and he kinda followed me halfway home but he turned like 8-9 blocks/roads before where I turn and I don't know if I should be worried.
Do you ever feel like someone’s always watching you when you workout?
Do you ever feel like someone’s always watching you when you workout?
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