He may have been upset because he might have had to fill in for you, and could've gotten someone else to cover had he known earlier.

But the bottom line is...that's his job, and it's no excuse for acting like that.

Sorry to hear you're under the weather and I hope you are up and at it soon.

__________________
Though I am different from you,
We were born involved in one another.

For it was not into my ear you whispered, but into my heart. It was not my lips you kissed, but my soul.

Complete surrender should not just come at moments in which one faces overwhelming odds, but in the calm when it seems one is personally in complete control of one's life.