Being that he is from Missouri, he likely never intended to stay longer than necessary, and with midterms around the corner there’s not much reason to. Most Missourians are very fond of their home and couldn’t stand to live in or around the viper pit that is Washington DC for long, certainly not years, especially if they have family.
Show me....
Seems to me, the midterms being around the corner would be a very good reason to stay.