Comment by the_snooze
4 days ago
Having supervised high-achieving students in undergrad research settings, I just tell them to chill out, be a whole person with friends and hobbies, and lots of things will just fall into place. The fact that they're where they are (i.e., fancy university, research group, yadda yadda) shows they're the kind of person to take initiative. The fact that they worry shows that they care. They're already way ahead.
The real gains at that point are in connections, reputation, and getting into the habit of physical exercise.
I think the key word here is undergrad research setting. Having an advisor or a department or DGS or Dean breathing down your neck and tumbleweeds in your bank account is an entirely different can of worms.