Question

You Can't Teach an Old Dog New Tricks people who find it difficult or impossible to change their ways or adjust to new ideas

Accepted Answer

I tried to give Grandma my new recipe for spaghetti sauce, but she refused. You can't teach an old dog new tricks. This is an old proverb based on some truth. Animal trainers have known for centuries that it's best to try to train an animal when it's young and not too set in its ways. An older animal likes doing things a certain way and will resist new methods.

Idiom	You Can't Teach an Old Dog New Tricks
Example	I tried to give Grandma my new recipe for spaghetti sauce, but she refused. You can't teach an old dog new tricks.
Meaning	people who find it difficult or impossible to change their ways or adjust to new ideas
Origin	This is an old proverb based on some truth. Animal trainers have known for centuries that it's best to try to train an animal when it's young and not too set in its ways. An older animal likes doing things a certain way and will resist new methods.

Animal Teach Dog Tricks I Give Grandma Recipe