I am so confused. PE and porn addiction?

Hi everyone,

I am new one here and this one is going to be long, probably, but I hope it will help me just to get this out of me.

First of all I am completely confused and you will probably think that I am retarded after reading this. I may have some serious mental and psychical problems, however I just do not really admit it to myself...

I am 23 now and I've discovered porn in my 16 or so. I had no problem with that, I could masturbate very often, like 2-3 times a day. There were times I masturbated like that or (just) like 3 times in a week. I did not have cravings like I do now, tho.
I got a gf - after month I was able to fuck her so long, so hard and so good that sometimes she came even like 7 times in a row. Roughly, we had sex for around 30minutes (no foreplay included).

I oficially broke up with her after 3 years because I did not love her. I masturbated (obviously to porn) more often, just not to be sad, alone and not to get texted her back just for sex (although she was very sexy in her times, but I did not want to hurt her. She really loved me.).

When I was 22, I got another gf. Firstly, sex was decent. I did not last that long anymore, tho. I had problem with cummin after like 5 minutes of hard pounding. She never had an orgasm during fucking.
I dont know when, but sometimes I involved a problem with premature ejaculation... I just could have real sex for around 3 minutes and I came..

Half a year after, I went on Erasmus and I just had to fap to not to cheat on her. I had a single room and I was working online to pay the rent and then I was going to school. I started masturbating like once a day minimum. Later on, I got even stonger PE. 1 minute of moderate pounding and I am done. She loves me tho and I am her first man in bed, so she still thinks sex with me is awesome, but I know it could get much, much better.
Since before we even got together I had a problem with condom. Whenever I got condom on, my penis loses erection.
Now even when I am licking or/and fingering her, I constantly need to wank or my penis gets weaker (without condom). I think I am really good in bed when it comes to mental and psychical stimulation with my mouth and fingers. I can easily make her squirt. But.. my penis is damaged.

I don't know. I feel like I am not addicted to porn, but it is challenge for me to not to fap once a day, so probably I am addicted.
I've read on Internet that I should try to masturbate longer (usually it took me to max 20minutes to find a good porn and cum - within 3 minutes), but I ended up watching porn for like 3 hours, wanking and when it came to sex, it was still the same - 1 minute and gg, only now I am wasting 20 hours weekly, without results. After that I feel without energy and I feel like having a nap. But orgasms feel so fucking good.
Fapping like 1 hour before sex has literally NO positive effect to stamina, it only makes my erection during sex weaker.

Also I don't know. I can not recognize, if I am sometimes depressed because I have no clear plan for life yet or because I masturbate every day. Yet, I am not really happy.
I feel like I also might have become very impatient and lazy, probably. Somehow I do not feel emotions, that much.. Sometimes I feel empty somehow...?
I do not feel like sex is something much more awesome than pmo..

I tried to quit porn and masturbation several times just to try, but I only could manage it till like 5days MAX once, the rest attempts 2-3days and I am super horny, I need to fap. Still cummin after 1min during sex.
I am working from home on PC, so I have really easy access to porn. I even used to fap even 2 times during work.

Idk.. What's your opinion on it..? Any help, please?..
How long does it take to regain my stamina and drive like I was 18 after quittin porn, masturbation?
What about sex? My gf is horny too...
At least, I got it out of me somehow. Thank you.

 

Thank you for your reply sir Boxerito. It makes sense.. It is also what I've bumped on the Internet.

Thank you for an answer sir +TenPercent as well. I will trust you and I am going for it.
Thank you guys for the words of motivation!

Btw I had 2 days of nofap and I just had sex with my gf... Done in literally 15s of slow penetration. :d
We had really long and arousing foreplay tho.
I am going for no pmo now. Let's hope it helps. I am going to stop it for 90 days - at least. Quite a challenge, when I could not do even a week, huh? But I hope and I really believe, this forum will help me! Also got a book called Your brain on porn. Will read it when I get cravings instead of fappin.

But.. Sex still may have negative effects on my "stamina recovery", huh?

Thanks again.