<p>Wait, do you mean a couple in college or are you writing about a high school couple that goes on to attend the same college?</p>
<p>OA is one of Princeton's preorientation programs, by the way (the other is CA). In a nutshell, it's a camping trip. Here's the website: <a href="http://www.princeton.edu/%7Eoa/index.shtml%5B/url%5D">http://www.princeton.edu/~oa/index.shtml</a></p>
<p>Good luck with your book.</p>