Characters
I guess we’re adults. The question is, when did that happen, and how do we make it stop?
— Dr. Meredith Grey

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
Adulthood arrives here as a discovery rather than an achievement to celebrate. The speaker barely accepts that it has happened before asking for a way to halt it. The quick reversal captures the distance between acquiring adult status and feeling ready for what it demands.
Context reviewed