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From the age of about 12 or 13, I knew I wanted to work in a scientific or engineering area, so I did, all my working life. Would I go back and change that? Only one small part, working for a V-belt manufacturer on the technical sales side. I found out that I was great at the technical side but I found I couldn't sell a thing. It nearly killed me so I left after 3 years and went on the "rock and roll" for a few months until I got the job in Rome.
I'd work for myself, hmmm ... I fancy being a YouTube star reviewing the latest camera gear. 1 billion views per 5 minute video plus Tshirt sales, 1 million $ a go.