I have 10 years experience and I feel like an idiot every day. How did you git gud (and manage stress)?

TLDR: I'm tired.
What steps did you take to go from average to bad ass?
How do you manage your stress?
Is it normal to love and hate your job so much?

Rant:
Listen. I love what I do. Every time I get to investigate an incident, I'm excited. I go full detective mode. It's fun. I feel so proud of myself. But still, every day I feel like an idiot.

I'm so burnt out. Im studying, I'm researching, I'm …

bad cybersecurity experience git job love manage rant stress tldr