Scarlett Johansson has expressed a concern about the potential conflict between the nature of human beings and the concept of monogamy. Scarlett Johansson has stated "contrary to popular belief... [I am] not promiscuous" and that Scarlett Johansson works "really hard" when she's in a relationship "to make it work in a monogamous way."
Scarlett Johansson gets tested for HIV twice a year, and has said "it's part of being a decent human" and it is "disgusting" and "irresponsible" when people do not do so.