He knock he door. When you open it you saw a little guy in front of you holding a very big compared to him milk bottle but diminute in your eyes. It was clear he wasn't your normal milkman and that he belong to another type of the city.

Excuse me sir! I am sorry for being late but my co-worker wasn't able to come here because he was sick and they told me to come here!

He said trying to justify himself.