I've read somewhere (but can't find now) that boys / men and girls / women reaction to porn is different in that for males, porn is a satisfactory substitute fo

I've read somewhere (but can't find now) that boys / men and girls / women reaction to porn is different in that for males, porn is a satisfactory substitute for sex, while it isn't for females. Don't exactly know what to make of that, but was disappointed with the article because it didn't seem to take gender in consideration at all.