“…Sexual activity is closely related to several biopsychosocial factors and contextual elements of the relationship including the type and duration of the relationship, and the partners' attachment styles (Meston and Stanton, 2017). A number of studies revealed sex differences in sexual motivation (e.g., Meston and Buss, 2007;Meston et al, 2009Meston et al, , 2019, suggesting, that women's sexual activity is primarily based on relationship-related reasons, while men are more likely to have self-focused reasons. Armstrong and Reissing (2015) studied the associations between relationship type and sexual motivation, and they found more pronounced physical motives in those who preferred casual sexual relationships, while those currently having a committed relationship showed stronger emotional motives.…”