The ends don't always justify the means, as you'll discover on November 13th. This is when you learn that that deal you made in order to get ahead is going to cost more than you anticipated. The terms of a loan may change, interest rates could increase, or you find yourself having to reciprocate a favor you believed was freely given. Simply put, you are not in charge of your money and are now financially beholden to someone else. It would be wise to get on this person's good side ASAP, seeing as you two will be joined at the hip for the foreseeable future.