I am such an idiot, drove 90km to work on off day

First of all, congratulation you have got an idiotic cyberfriend.

你的白痴网友，休假日也去上班。
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Reached office, not sure why the big blue gate's closed. Honked the security guard to open the gate for me. Entered and parked my car. Wondering why so many empty spots. Proceed to registration desk, signed in. The guard asked why was I there? I answered to work. With a funny tone he replied that he heard that today's an off day. I was in doubt. He told me to look around the parking lot and the biggest parking lot across the street. Yes. Empty! I called my friend and he told me today's off day!

Transportation fee : 30 bucks
Time wasted : 3hr.
Round trip : ~180km