"Completely" was for effect.  Grammar is correct.
There is no comma needed after "Oh".   Grammar is correct.
There is a period after APPRENTICE because that was the end of his sentence, I just cut it off.  Correct.

Check yourself Comrade Putski. You must need a friend judging by the time you spent reviewing my post.  Okay, I'll be your friend.  We can proof read posts together.