Male secondary sexuality

Patient: Sir,my name is arun. i am a 19 year old male and a first year MBBS student. i have puber phonia and i have a very few facial and body hairs. my height is 162cm and i weigh 65kg. i think my sexual functions are normal, but i have a small penis and i am really worried about my childish appearance and a high pitched feminine voice, while my friends are looking mature. i am really worried. please help me.yours obediently,arun