There won't be a "y" seam. Thats the beauty of paper piecing!
http://www.youtube.com/watch?v=cgr5JMxNfow
http://www.quilt-video.com/category/paper-piecing/
I tought myself to paper piece too. You need to get on the internet and watch some videos to see how it is done!
OOPs! Sorry! I just re-read and realized you have done PP before!