Isaiah Prophesies the Captivity of Jerusalem

Today I read Isaiah 39 where Hezekiah entertains some guests from Babylon and Isaiah tells him of the captivity of the Israelites by Babylon.  What is really strange though is the response Hezekiah gives.  Far from being upset about this, he seems happy and pleased with the knowledge.  Perhaps I am just reading it wrong, but it sure seems like he was pleased and started praising God when Isaiah told him all his wealth would be carried away and his sons would be made eunuchs in the palace of Babylon.  I guess it is a good thing that he knows you can't frustrate the will of God and he has accepted that, but you think he would be a little upset that his kingdom will be despoiled by Babylon.  Very strange indeed.  Until tomorrow.