text: how to balance who pays for who, for what and when? this is for my book and your answer can be chosen to be nationally published! if you want, please list your first name, first letter of the last name, your city, and state. thank you in advance for your help! karen f, ft collins co if two people are living together as a couple, married or not, i believe that all expenses should be shared from incomes which are combined - no differentiation made.  if they are separate, but dating, then each has to pay for what they desire.