Guys, This guy who was teaching us at our retail job today... He stared in my eyes so long!!! Why?

I see him around almost daily by the way and he's said hi to me before
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The thing is i was staring too but im just dumb and was staring out of curiosity i guess I don't know. He literally didn't look away to the point i was scared. I was like oh my gosh i can't look at him anymore... After that.. cuz i was scared hed stare at me that long again or I don't know what hed do... he's nice aside from all this by the way but serooisly that unending stare didn't seem normal... The length of it was scary
Guys, This guy who was teaching us at our retail job today... He stared in my eyes so long!!! Why?
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