Romantic relationships are generally expected to be exclusive, meaning involving only one partner at a time. They are also expected to be voluntary, with people choosing who they want to be with. In Western cultures especially, romantic relationships are believed to be based on love and attraction between chosen partners. These relationships can involve either heterosexual or homosexual sexuality and partnerships value intimacy and equality. However, cultural context affects expectations for exclusivity, voluntariness, the role of love, and views on sexuality in romantic relationships around the world.