This as-told-to essay is based on a conversation with Eric Sim , 55, a former UBS banker who became a published author, professional speaker, and career coach. The following has been edited for length and clarity. Business Insider has verified his education and employment history. When I was a young banker, I often heard my more successful colleagues bragging about their new watches or latest sports cars . It wasn't long before I gave in to peer pressure. I bought myself a $3,000 watch. That