Ok in this movie there was teenage boy and girl and the boy ends up liking her and falling in love with her and when her father founds out he doesn't like the idea because she has a secert and secert is that she has aids or some type of diease and she doesn't have a long to live and she eventually ends up dying in the movie and the couple use look up at the stars with a teloscope.

sound like a film called A Walk to Remember starring mandy more

http://www.youtube.com/watch?v=V96uhfQ0x9A