Whats it mean if a guy pal at work stared at my face once and also often has stared r looked at my boobs?

Im not that pretty so its not that he staring cuz of that. Unless he has bad taste and likes ugly girls. All i have going for me is my boobs.
Whats it mean if a guy pal at work stared at my face once and also often has stared r looked at my boobs?
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