Was Jeff Davis 'Delusional'?

[Anita]

Laurie and Herb, Crowns of Thorns and Glory is by Gerry Van der Heuvel. This is from Amazon....
This extremely readable dual biography is as gripping as any novel. Recounting the parallel lives of the only two women in American history to have served concurrently as "First Lady,".

I also don't see Davis as an ego-maniac. He was a compromise candidate and didn't want the Presidency but had hoped for a military command. I read somewhere that he cried when he resigned from the Senate.