Oconnorburns3326

Sexual selection studies often focus on morphological traits that are important only in the later stages of mate acquisition. Comparatively little is known about traits that lead to mate acquisition, such as mate-searching activities. SGX-523 nmr We experimentally manipulated body condition (i.e., the energy reserves) in male puff adders (Bitis arietans) prior to the mating season using supplemental feeding in the field, and used radio-telemetry and DNA paternity analyses to characterize the relationships between male energy reserves, mating activities, and reproductive success. We found that male mobility is a strongly sexually selected trait because males that travelled further in search of females have higher female encounter rates and reproductive success. However, supplemental feeding did not have a significant effect on mating activities or reproductive success, because control snakes compensated by foraging more often during the mating season. The time invested in foraging by control snakes did not come at the costs of decreased mating activities or opportunity compared to fed snakes, because the latter spent the spare time resting. Our experimental field research directly demonstrates the link between male mobility and reproductive success, identifying the ultimate mechanism leading to the evolution of prolonged male mate-searching activities in snakes, and indicates that male puff adders, presumed capital breeders, adjust their breeding tactics according to resource availability.Sexual need fulfillment in a relationship is associated with both partners' sexual and relationship quality. In the current research, we explored what underlies two approaches to sexual need fulfillment-sexual communal norms (i.e., being motivated to meet a partner's sexual needs) and sexual exchange norms (i.e., tracking and trading sexual benefits). People high in attachment avoidance are less responsive to their partner's needs and distance themselves from intimacy. Sexuality is a domain in which partners aim to meet each other's needs, but it may also heighten avoidantly attached partners' concerns about intimacy. Across three studies (N = 711)-using cross-sectional, dyadic, daily experience, and longitudinal methods-endorsing sexual communal norms was associated with greater sexual and relationship quality, whereas endorsing sexual exchange norms was not associated with, or was linked to lower, sexual and relationship quality. People who were higher (compared to lower) in attachment avoidance were less sexually communal and more exchange-oriented, and their heightened endorsement of sexual exchange norms predicted lower relationship satisfaction over time. With two exceptions, the effects were largely consistent for men versus women. Findings from this research suggest that attachment avoidance underlies approaches to sexual need fulfillment in relationships.Despite the gaining popularity in mainstream media of the phenomenon that is BDSM, empirical research on the motives and underlying psychological mechanisms driving BDSM practitioners is scarce. The current study focused on the potential driving roles of sensation seeking and coping styles in BDSM-related interests and behavior. A cross-sectional survey questionnaire was completed by 256 Dutch-speaking BDSM practitioners (110 men, 135 women, 7 gender fluid, 2 genderless, 1 other not specified), 1 missing (this participant did not answer the question regarding gender, but did answer all other survey items) and a matched control group lacking any BDSM interest recruited from the general Belgian population (N = 300; 135 men, 158 women, 4 gender fluid, 3 genderless). The questionnaire consisted of several items surveying different BDSM identities and interest levels of BDSM-related activities, an adapted version of the Dutch Sensation Seeking Scale, and items querying seven coping styles. Compared to controls, BDSM practitioners reported significantly higher levels of sensation seeking for all dimensions (experience seeking, thrill seeking, and distraction seeking), as well as the use of more active coping skills such as problem solving and taking action. Gender differentiated which specific coping skills were being used with women seeking out more emotional support and comfort and reaching out more for help and advice in both the BDSM and control group, and men taking more action and seeking distraction in leisure. About 40% of the practitioners reported using BDSM itself as a coping strategy. Further research is needed to explore the link between coping and sexuality in general, and to other psychological processes that drive BDSM interests in order to destigmatize and normalize consensual BDSM-related activities within the general population.Some genetic males seek voluntary castration. We designed a survey to compare the psychological, sexual, and childhood experiences for subgroups of men with extreme interest in castration. The survey was posted on the Eunuch Archive, an online platform for individuals interested in the topic. Data from 822 individuals were included in the analyses. Respondents were divided into four groups Interested (claiming only an interest in castration topics), Fantasy (fantasize about castration sexually, but not desiring castration), Wannabe (considering being castrated in the future), and Castrated (already castrated). More individuals desiring castration (Wannabe and Castrated groups) claimed equal attraction to both sexes than individuals in the Interested group. The Interested group was more religious than the other groups, and the Fantasy group had lower sexual guilt than those with castration desire. All groups had similar psychological well-being and body image acceptance, despite the Castrated group having lower sexual functioning than the others. Childhood trauma was more common in those with castration desire than those without. The Interested group had a lower desire for castration, lower erotic attraction to castration, and pretended to be castrated at a younger age than the others. Childhood trauma and sexual guilt are common, but not limited, predictors for castration desire and erotic attraction to castration, respectively. In conclusion, childhood experiences, as well as psychological and sexual parameters, may vary in different subgroups of males with interests in castration.