Dear Welcome to HCM We understand your concerns I went through your details. I suggest you not to worry much. Every one of us have such mannerisms. Mind you, such habits are called mannerisms. If you watch people, you shall see so many mannerisms. In fact, mimicry artists and caricature artists mimics the mannerisms of celebrities and politicians to be a success. So mannerisms are not out of any body problem or any thing related to mental health. They are just available. Nothing to worry about it. But you need to ask some questions and to find answers to those. Is this mannerism disturbing and affecting your job or life severely? If yes. You should change it. Or else, ignore it. New mannerisms shall come and you shall overcome this easily. If you want to change this mannerism, then yes, you can do it. Just make sure that you want to change it and sincerely try to change it. For more psychotherapy techniques, You can post a direct question to me in this website. Include every detail as much as you can. I shall prescribe some psychotherapy techniques to control your condition. I am sure that the techniques should be a success. Hope this answers your query. Available for further clarifications. Good luck.