It was inspired by how personalities can change on any given night.

The personalities of a particular character can change over time.

Even though he's gone through a major physical change, his personality hasn't really changed.

His personality had not changed in any basic way, or so he supposed.

Between the ages of 3-5, your child's personality is still growing and changing.

The essential personality of that voice has changed little in 20 years.

That is because, in the last year, my personality has completely changed.

"Her personality changed, and there was a willingness to work again."

But the biggest impact, positive and negative, is how much personalities change.

Around this same time your computer was broken into and Susan's personality changed.