Do you think that the older a person is, the least likely they are to change?

I know it all relies on the fact if they want to change or not but as people age doesn't it make it harder the longer they live a certain way? For example if someone lived 40 years a certain way then isn't it more than likely they will remain that way than they are likely to change?
Do you think that the older a person is, the least likely they are to change?
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