Anxiety symptoms. Responding on time!

I tell u symptoms 1 I am shy to talk to anyone and introvert in childhood 2 I feel nervous and overthinking before going anywhere and talking with any person,i think what I talk to them if I met 3 I go to many places,alone and with family also 4 In childhood if I go anywhere,i come from there before night,i can't live any other place in night 5 I don't have any bad habit of drink and smoking and good sleep time 6 i sleep early and wake-up early and I am very calm person,I am not feel angry or frustrated due to anxiety 7 I have mainly two problem overthinking and shivering,so i due to this I don't like to go anywhere and I don't feel tired or lazy So tell me exact type of anxiety I paid to many doctors here but no one responding on time