Folks in their 20’s usually have little choice beyond grinding harder. In your 30’s you not only have more resources, you’re also more effective with their deployment. But you do have less oomph to give.
This one of the primary ideas in "So Good They Can't Ignore You"[1]. In your 30's there is a decent chance you've spent a bunch of time building career capital, so you're now in a position to cash that in.
Folks in their 20’s usually have little choice beyond grinding harder. In your 30’s you not only have more resources, you’re also more effective with their deployment. But you do have less oomph to give.
I say use the oomph while you have it.