history: The other day at work when I was in the elevator I realized I had an extra-button from my shirt unbuttoned,  And I wondered since when it has been like that and the people I had met.
current: The other day at work when I was in the elevator I realized I had an extra-button from my shirt unbuttoned, 
next: Oh geez, I know how that is. How long do you think it had been that way?