Yes we also had this type of afection ,this its frecvent around people who suffer from anxiety .What i suggest you its to focus on your mind to fead it with pozitive thoughts ,feeling ,experiences etc ,and to remove negative from you experirnces ,thoughts feelings etc .Anxiety stay good in people where they are sad negative etc .When you will take good things in your life you will fore her to leave because will not have power to stay where joy ,fun ,hapiness its