Back in High School, before the easy access of internet porn, just vid and mags, a friend told me how porn is not good for high schoolers, but maybe for Jr high.
Because when you get to High School, you may start having sex and get unrealistic expectations. You want what you see and are not going to get.
As for me, I think there is some truth to Dolfette's point.
The constantly changing of postions is one I had to get over. Basically, a less is more had to be learned.
Also, I think the reason why I had trouble cumming is because I put a lot of performance anxiety on myself. I was under the myth that a guy has to last long. And I could. Still could. But at the expense of my own pleasure.
The other big dispointment for me, and still is, is the not cumming off a blow job. When I first got one, it must have been 45 minutes of enjoyable sensation, but no "pop". And watching porn where every guy seems to be able to go didnt help my situation.
Now the positive. Porn watching is the "safest sex" around. You do it when you want, you see what you want, and there is no awkward next morning. You get your cum and you leave. Sure, you miss the human connection. But at the same time, it makes me appreciate women even more. When I get with a woman, it is not just about the orgasm. That I can get on my own. I get to the sensation, the closeness of human contact. All the things I said in the Tit Sex thread about how I love tits and why.
Sometimes just holding her in a spoon is the big reward. Smelling her hair. Running your fingers through it. Giving her little kisses all over. Taking the time to really savor a woman. And you dont get that from porn.