Unless you have another condition such as tourettes, the twitches or spasms are likely a conditioned response from trying to get words out with force. They probably helped when you were younger but then you got used to them and they may no longer help but have become an involuntary habit. They can be unlearned, but it takes hard work and is much kuhx easier with a good SLP who understands how to help this. >They asked me to leave and seek professional help. This is a wild thing to say to someone during an interview.