When I said: "I usually arrive around 8.00am", I actually intended to say: "I usually arrive at 8.00am, you can arrange the meeting any time after 8.00am."
I did not intend to say something like: "I usually arrive around 8.00am, look at me, I'm a sibeh good employee!"
So, you don't need to interrupt me by saying: "Oh! I come at 7.30am one!", because that really makes me speechless....
Nobody is trying to challenge you for Best Employee Award... =.="