This is easy.
I would practice mindfulness meditation. Finding a quiet place in the chaos, even a not so quiet place would be fine. For you to enjoy listen to this link, mindfulness meditation led by Sam Harris, it is great:
See Sam Harris
I would guide myself in this meditation.
After 30 minutes. I would come out of this space and gently and non-judgmentally watch the people going by.
I would then read the latest research on mindfulness meditation.
Here is Jon Kabat-Zinn, an amazing speaker and founder of Mindfulness Based Stress Reduction. Do watch and listen, he is awesome.
Befriending Your Mind Befriending Your Life – Just Be Here: