Below, three experts explain what this make-it or break-it factor really means, and share best practices for determining whether it exists, can be worked on, or is a lost cause. Christopher Ryan Jones, PsyD, a clinical psychologist with a specialty in sex therapy, says. Another form of sexual compatibility is the extent to which similarities exist between actual turn ons and turn offs for each partner emotionally, cognitively, and behaviorally. Good question. Basically, sexual compatibility comes down to how well your individual beliefs, needs, and desires around sexual activities mesh.