I'd agree with Shelle that California Dreams and Sweet Dreams, Fragile Hearts are my ultimate of this theme

I also really like the stories by this author - Im.Just.Like.Me - FanFiction.Net

It's a series - Meant To Live is in high school, The World As We Know It is like, college age, and then Whatever Will Be is the grown up marriage/babies.

I recommend you ask in the fanfic thread too, someone who doesn't post here may lurk in there and have more suggestions