I'll ignore Jonathan's statement XD , please, learn about hypnosis out of your textbook i suggest and research about both sides of it and practically apply it.
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I hope i'm not late to reply, hypnotherapy works and i'm willing to give you as much video material as proof as you'd like, apart from that, If a friend comes to me and asks me the same question you did, then I would clearly deny it because most of the doctors, psychologists and psychiatrists today are doing 'bussiness' , and they are in for your money, not for your well being.
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do watch this video, its a hypnosis demonstration done by one of the most famous hypnotist in the world Derren Brown
www.youtube.com/watch?v=gJasYOtqNPY
So rather then that, rather then going to someone who you aren't sure may help you, what i suggest is that you learn about 'self-hypnosis' and use it to better your situation.
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In all of my life, the following is the video, in which the lecturer explains the best self-hypnosis technique that i'm aware of
so i would suggest you this
www.youtube.com/watch?v=G_pp1j8pYQg
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the actual technique actually starts at 45 min into the video XD
if you are not comfortable watching the video and would like it that I personally explain it to you via these messages, i'm good with that as well. If you have any questions are unsure of anything, i'm available for that as well, if you'd like to vent or anything, by all means, i'm available to be as much help as i can.
Thank you for reading ^_^ I await your reply.
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