<prompt> Human: Here are the facts:1. I have a Sallie Mae private student loan for an undisclosed amount with an interest rate of 9.5. It is entirely possible to make additional payments toward the principal balance.2. Im going back to school and being offered an opportunity to take excess on a Federal Subsidized Stafford Loan with an interest rate of 3.863. I specifically asked the financial aid person and he said its perfectly possible.Whats stopping me from taking additional as much as possible on the 3.86 loan and immediately paying off the 9.5 loan? The variable of me not following through on that action is not there as I have become very budget worthy. Is there something I am missing?Its also worth noting that I currently am, and will continue throughout school, be making avalanche payments.  <response>: Do it. 