What item did you not realize was expensive until you became an adult?

@bijouxbroussard when I was first married, a typical appointment with my family practitioner cost $18!!!!!!

@Poppies When I was married, co-pays were $5.00 ! And it was my health insurance on the job. My plan was better than his, but both covered us.

@bijouxbroussard when appointments were $18, I think we did not yet have any co-pay