you don't have a concept of what 'rest of my life' is yet. Most people don't figure this out until their 30s, if at all. hence the whole, 'we've grown apart' thing that pops up in middle aged folks so much. If you can talk with her, and she makes you laugh, then you're a lot further along towards having long term success than most people. If she has big titties, too, buy buy buy!
Ah, I know things will change by the time I'm 30. Just in this moment in time I could see myself being 75 and still being with her. Shes always made me laugh, I always make her laugh. Her personality is the best..
Her body is a huge bonus... not that I'd base a relationship on looks.