Work Life Balance

So, i'm 20 years old. I recently started my first ever job at Lowe's and honestly, it's scary. It's a huge learning experience, and it's painful due to me not having good shoes. But the question i have is, how do you balance your life with this? What can you do to make sure your mental health & happiness stay intact while you work? Honestly i'll listen to any and all tips and tricks. Everything feels exhausting