nofap after marriage

i am 27 and i have morning wood, i have arousals and i have erection but not 100%.i am not clear. i am suffering E.D or not????
in nofap we reboot ourselves while sex with our real partner.
guys need suggestions...

 

Before marriage i have sex so may times without any problem. But after my marriage i did't sex with my wife till now from day 1. first try for sex every time she feel pain and irritation in V area and we stopped there and later few months we tried then whenever i try to penetrate my Penis gone soft and we can't able to sex we try k-y jelly also it is been 8 months for our marriage and we did't sex for 1 time. but one thing whenever i watched porn or read some erotic stories my penis got hard as iron but when we try for sex it is gone soft.
That's the thing i can't understand what happen to me and gave me stress to think about my marriage life.......

 

8 months before