Working in a little shop

Bassim

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Joined
Mar 1, 2008
Member Type
Student or Learner
Native Language
Bosnian
Home Country
Bosnia Herzegovina
Current Location
Sweden
I am wondering if my sentences are grammatically correct. Is it natural to say "an expert on humans"?

Working in a little shop and talking to hundreds of customers every day, gave David a great opportunity to learn about psychology and behaviour. He was not an authority but nevertheless saw himself as an expert on humans.
 

GoesStation

No Longer With Us
Joined
Dec 22, 2015
Member Type
Interested in Language
Native Language
American English
Home Country
United States
Current Location
United States
Lose the comma. Unless he dissects and analyzes samples from his customers, David should consider himself an expert on human behavior.
 
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