Did you notice anything peculiar with your colleagues lately?
In the sense that they are sort of—well, how can I put it—regressing, not showing up at their level of maturity as constantly as they normally do.
From a developmental point of view, regression is mostly something we notice in smaller children. Here they were, doing so well at going to sleep, eating their porridge or whatever, and now suddenly they are back to behaving in a much more immature version of themselves.
But if you think about it, we all regress from time to time—probably more often that we would like to admit.
Essentially, we have three levels of functionality: