Does it mean anything when a guy says good morning loudly to make you turn behind and look at him and then he sits beside y in empty room?

Does it mean anything when a guy says good morning loudly to make you turn behind and look at him when u were not facing him and then he sits beside you in empty room?

Does it mean anything when a guy says good morning loudly to make you turn behind and look at him and then he sits beside y in empty room?
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