Quick summary: a simple tweak to the unwritten rules surrounding physical intimacy can recharge the sex life in a relationship. Most people have set rules regarding sex in their relationships… “It has to be…” or “it is only appropriate when…” or “sex is supposed to be for…” A simple suggestion is to write down with your partner why, or for what reason, you usually have sex; then follow this exercise by writing a list of all the various reasons sex is a useful activity in general… use this information to generate different reasons for sex.