Seth Resnick provides quick candid answers to 20 questions.
What’s the thing that interests you most about photography?
Trying to create something that someone standing next to me would not see

What’s the thing that interests you most about your own photographs? 
Recognizing that I have my own unique style
What’s the thing that interests you most about other people’s photographs?
Their interpretation of their mind’s eye

How do you know when an image doesn’t work? 
Instant gut feeling

How do you know when an image is good? 
When it makes you stop to study it

How do you know when an image is great?
When you can always remember it

Read the rest of Seth’s answers here. 
Read how other photographers answer the same questions here.
Find out more about Seth Resnick here.