My second run took about 75% as long. I set it to skip already seen text but I chose differently for pretty much every non gay sex option, safe in the knowledge that I had a "good" save already. So I got a lot of new text. I also learned that, at the time (over 4 years ago), there were very few long term consequences in the game. There might be more now, I haven't played it in over a year. But I played it several more times trying out different combinations of choices to see what they would effect, and each run went by significantly faster than the previous ones.