He got enjoyment through imagined participation in the experience of others, as in a "thrill"
He began asking extreme athletes about their 
experiences and ... and Go big, it's hard to imagine skydivers, BASE jumpers (
athletes that ... circles justify participation by minimizing risk through practice and 
... Dopamine, a chemical associated with the brain's pleasure reward... [DOC] [TLE] Client Praise | The New York Public Library [PAR] Thank you again for going the many extra miles for us."