I Think Too Much
Christel Petitcollin
Christel Petitcollin (b. 1960) is a renowned French expert in the field of personal development. For nearly thirty years, she has been practicing neuro-linguistic programming, transactional analysis, Ericksonian hypnosis, and other therapies. She lectures throughout Europe and is the author of some twenty books, translated into fifteen languages. One of her bestsellers is I Think Too Much (2010).