set in (one's) ways

Inflexible; unwilling to change. Grandma will never retire—she's been a teacher for 50 years and is totally set in her ways. You'll never convince him to change, he's too set in his ways now.

Common Names:

Name	Pronounced	Usage
Herodias	-	Biblical, Biblical Latin, Biblical Greek, Ancient Greek
Hyrum	HIE-rəm	English (Rare)
Stephenson	['sti:vnsn]
Nilofer	-	Indian (Muslim)
Piritta	PEE-reet-tah	Finnish
Mark	[mɑ:k]