Facial trauma resulting in trigeminal nerve injury and subsequent desensation constitutes a profound yet underrecognized disruption to human intimacy, extending beyond functional and aesthetic sequelae to deeply affect sexual connection and psychological well-being. This chapter synthesizes contemporary neuroanatomical and sensory physiology frameworks with clinical evidence to elucidate how facial desensation alters the hedonic and functional dimensions of kissing—a pivotal component of affective touch, social bonding, and sexual arousal. We delineate the mechanistic underpinnings by which altered peripheral afferent signaling and impaired sensorimotor integration transform the kiss from a source of pleasure and connection into an experience marked by numbness, paresthesias, or dysesthesias, undermining sexual arousal and relational dynamics. The chapter further explores the psychological toll of facial desensation, encompassing grief, body image disturbance, anxiety, and sexual avoidance, emphasizing the critical interplay between sensory loss and emotional adaptation. Importantly, it outlines a multidisciplinary, patient-centered management paradigm that transcends conventional surgical repair by integrating neurological, pain management, psychological, and psychosexual interventions to facilitate adaptive intimacy despite persistent deficits. By centering patient-reported outcomes and advocating for targeted research addressing the intimate dimensions of facial sensory loss, this chapter reframes post-traumatic facial desensation as a priority in holistic trauma rehabilitation, underscoring the imperative to restore not only facial structure and function but the capacity for intimate human connection.