long term fuck buddy

It is possible to maintain a fuck buddy relationship longer then than the standard 3-6 months? Most people say no; a fuck buddy is generally a casual arrangement. Yet I know several people who maintain these causal arrangements for a lot longer then 6 months. One of my best friends has actually told me that she has been seeing a regular fuck buddy for over 2 years. They aren’t exclusive and they both see other people every now and then. They aren’t a couple and she actually said to me “I could never date him…he’s actually quite boring” but when it comes to sex, he pushes her buttons...