Over the last 15 years, the author have introduced successfully FreeBSD in various professional environments. This talk will focus on the reactions discovering FreeBSD, it will cover the good surprises from end users, the bad ones and the really ugly ones. During the last 15 years, the author has introduced FreeBSD in various companies, for various usage, from remote desktops to database servers, from routers to storage servers. The talk will cover the myth about FreeBSD people often have and how there usually surprised in a positive way by FreeBSD when actually really using it. What are the main blockers? How do people react when having to change some of there linux centric habits? In some cases FreeBSD has really simplified the workload and maintenance, in other cases it has been a real pain to do things that were actually really simple on linux.