You need to treat the long form SERIOUSLY. It is equivalent to your initial application.

This link provides a good explanation of the CDR process.

http://nymakesworkpay.org/docs/Guide_CDR.pdf

You maybe got the long form because of how you filled out the form, or because you've gone back to school or started working part time, etc. It is important to show you regularly see your doc and take your meds as directed, and that your condition continues to be severely disabling.