You just have to practice self control that is all. Don't be one of those guys who makes up excuses for cumming quickly. Learn discipline and stamina. The average penis isn't that large. I cannot remember the exact size, but you are close to average if not above. If you are both in love then your size won't matter too much. If she prefers a larger penis then she will learn to deal or you two can come up with some alternatives. Just be confident and everything will be fine.

The actual average length of the penis is 5.1 inches, and girth is 5 inches. A lot of people say that the average is anywhere from 5 to 7.5 inches long, but according to statistics, it isn't.

And yes, 5.5 is plenty to satisfy a woman, as long as you know what you are doing. And if it's your first time, more than likely it will be her's too, so you can learn together. If she's already experienced, then she may try to tell you how to make it better for her.

Daile

Ok, well I attempted this whole, go as long as you can during masturbation and it seems that I can go on forever if I just change my mindset when I feel like im going to explode. And then eventually I got tired of doing it and I let it go. Afterwards some muscles down there were feeling very very tired. Is this normal?

Yes its normal

Dont worry about your size, if yuor having sex withsomeone u love, they wont care, 5.5 is fine. And most people ejacualate 3 minutes if masterbating. I heard that on love line :p

dont expect to last hours your first time, cause it wont happen, but just because you last 3 inutes masterbating, dosnt mean you'll be fast during sex