sexual problem

Sir i am 22 years old and i have started masturbate since age of 15. In starting i ejaculate in 15-20 minutes and my semen is vicous and thick and comes in large amount and it comes with jerk...after 3-4 years...
1.i ejaculate only in 1-2 minutes.
2.semen become thin and sometimes little yellowiss colour and comes slowly.
3. Cant get full erection.erection for short time
4.some water like emission only thinking about sex.
5.penis is little bent and flaccid not hard.
6. After ejacilation.i always feel guilty and get depressed so much.
I taken medicine for short time.
1.HC37
2.AVINA AATIVA Q
3. ANACARDIUM
at that time i got control on water like emission but not cured completely. But able to concentrate on study and start little bit happy.but always my mind thik that i cant do sex and anable to make a women happy.
Since age of 21 i got girfriend and start living with her. Wholw day i was asking her for sex but when i am going to do sex i always fear to ejaculate and fear about not able to make her happy.
I ejaculate as soon as i enter in her and not able to make even a single stroke.
So i started taking 2 tablet of mainforce 100 mg then i got full erection and able to do sex but only for 3-4 minutes .then i ejaculate.and after 5 minutes of first ejaculation i get erection again but again semen comes out in 2-3 minutes.
Now i m living separetely but have sex rarely..
But whenever i kiss her a water like emission occur from penis and i fear to ejaculate. My penis is now little curve and soft plz suggeste best medicine

Some points which i feel are..
1.always.think about sex.
2. Whenever i see a girl or lady i start thinking about sex with her and imagine her nude
3. I always fear that that i will ejaculate soon.
4. Feel shy to talk with ladies and girls.feeling nervous and uncomfortable.
5. Sometes i stuck when talking with a person or friend. Cant able to speak apropriate word which i want to say. And cant apeak words correctly.
6. I always think that due to excess mastirbation all these happening.
7. I feel very happy whenever i got full erection.
8. I always so confused and unable to take decision even in small things. And sometimes i forget common things or work.
9. I have very low confidence in any thing. And cant concentrate on study
Sir i have some physical symptoms also.

1. My digestive system is not good. Air passes always.
2. I have to go 2 times for stool in morning always.
3. After sleeping my penis get erect and it last whenever i wake up.
4.unable to get full erection means penis is not hard as earlier times . it is soft and little curve and warer like emission occur.
5.hair loss and i lost my skin glow
6. I cant able to sleep properly. Sometimes it is restless and sometimes even after 30 mintes to 1 hour i cant able to sleep.
Sir i explained all things for batter solution. Plz suggest me best medicine with doses and theie brands which is more effective to recover my sex life and plz auggest me medicine to increase sex time and performance..plzz sirr give me right istruction to solve it permanently.

I posted my problem already but asked for my email id and while posting email id an error occurs every time .so pls sir help me and suggest me best medicine as soon as possible