this movie could have be a decent b movie if 3/4 of the the movie wasn not so much focusing on the sex scene . i mean and he a sex addict and and i be sure that there a lot more that go on with sex addict outside of have sex on a constant basis . michael des barres do a good job consider what all he have to do and which wasn not much . at one point or another and one would have to laugh at him and because his character be so pitiful . nastassja kinski be alright in her role a the concerned sex therapist and she could have of do more though and i be not suggest her have sex . the person that stand out the most to me in this movie be rosanna arquette in her convincing role a the loving and concerned wife . there something about beautiful inside and out that strongly appeal to me . she play that role and a you watch the movie and you start to feel bad for her . diary of a sex addict while not oscar material or a modern classic to anyone standard and be quite informative and do a fair job in show you how one personal demon can take over and ruin the very thing in life you think highly of .