[garmaine]

At the same time, leaving after 23 years for a reason other than retirement suggests something changed.

I have no insight into the company as you do, but that is the first impression I’d get from the circumstances. People don’t stay at a company for 23 years only to jump ship for the same reasons early-career people jump around.

[dagw]

Or you realize that you've spent basically your entire professional career at one place and this is your last chance to try something different.