Accidentally Making My Boss Arrive Earlier

I'm forcing my boss to arrive at the office every day at 7AM. I just started a

new job and decided I want to make a good impression by being in the office a little

early (also so the manager cannot see if I'm only here for 5 minutes or if I was already

here for 1 hour, so nobody questions me if I leave early). So I started coming in between 8:00-8:15.

The first day I noticed I was the first, but the rest of the week my boss

would already be there as 8:00. Apparently he is an early bird as well.

So the next week I arrived at 7:30. Again; I'm the first one on the first day.

But the rest of the week that guy is already in the office before I arrive.