in spite of yourself
in spite of (oneself)
1. Despite one's own foibles, mistakes, or flaws. Somehow the Eagles managed to pull off a victory in spite of themselves. I knocked over my drink and called her the wrong name at one point, but all in all, I think the date went well in spite of myself.
2. Despite or against one's desire or intention. I was scared senseless when I realized there was a burglar in the house, but I laughed in spite of myself when he slipped on a banana peel on the kitchen floor.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
(do something) in ˈspite of yourself(do something) even though you do not want or expect to: He was a bit depressed so I tried to cheer him up with a joke. He smiled in spite of himself.
Farlex Partner Idioms Dictionary © Farlex 2017