grey hair on head and white beard since 4 years

Dear Doctors,

The following is my health history: - Age 31 years.

1) Basically introvert and less speaks but interested to mingle with people.
2) I used to get sweat in hairs and have light dandruff and rash kind of thing.
3) I have acne at face and my back it appears some times and disappears automatically and I have some pimple marks on face.
4) I have less hope on career and future and also having bore feel frequently.
5) I have normal sleep between 10 PM to 7 AM.
6) My physical status is normal and lean about 65 kgs weight.
*7) I have faced prematured ejaculation and incomplete errections or some times no errections some times.
8) I have hair falls and little bit greasy too.
9) I have suffered with Hepatitis ‘A’ and ‘C’ during last year.
10) Forgettable nature.
11) Fear to take on responsibilities at home and work.
12) Diet is normal and I like spicy food, non-veg etc.
13) Like to take hot water for bath.
14) Felt Anxiety during stress at work.

Kindly suggest medicine and the dose,potency to use.

Regards,