Yes and no. Yes because this was her job, part of being a captain and being one who was so far away from Starfleet. No because she wasn't always this way, and she's capable of being less serious of frivolous acts of spontaneity and recklessness, but no longer has the luxury of indulging such whims.

She shrugs noncommittally. "It wouldn't matter either way. Some things just are."

In that same vein, Lucy could prove to be a good influence on Kathryn when it comes to getting her to relax and open up.