Cant have sex after marriage.

Patient: Hi Doc I got married last month, I am 33 years old Male. Just a week before marriage I found out whenever I masterbet , My penis get hard and some white liquid comes out and all my excitement gone. now its happening when I am with my wife. I got excited then some white liquid comes out all my excitement gone and my penis became soft.Here I want to add some points as well1. I used to masterbet 4-5 times a week.2. I had sex before many times with my girl friends. and that time all was ok.3. last two years I did not have any sex.Thanks in advance

Symptoms: White liquid from penis