1610 days - is that calendar days or workday days 4.4 or 6.44 years. Perhaps teachers in your region do the same workdays, 195, as UK teachers, which would be even better. I would be inclined to to say 'Yessir!' (especially when they offer unsolicited praise) for such a short period after which you will be our own person. After all in the great order of things its all meaningless.