be vain

How could I be vain, dumb or deluded enough to believe that this was a job I could actually do?

“I’ll try not to be vain,” said Amy.

“It may be vain and wrong to say it, but—I’m afraid—Laurie is getting too fond of me.”

Evening meditation and morning work somewhat allayed her fears, and having decided that she wouldn’t be vain enough to think people were going to propose when she had given them every reason to know what her answer would be, she set forth at the appointed time, hoping Teddy wouldn’t do anything to make her hurt his poor feelings.

“At face value he appears to be vain, self-involved and shallow — yuppie,” he said.