Therapeutic and caring touch can communicate presence, reassurance and attentiveness during serious illness, yet its ethical acceptability cannot be inferred solely from benevolent intent, prior agreement or the clinical value attributed to the intervention. Serious illness may alter sensory tolerance, communication, bodily vulnerability and the meaning that patients attach to physical contact. This conceptual and normative analysis examines therapeutic touch as an ongoing relational negotiation rather than a single authorization event. Drawing on contemporary nursing, palliative-care, dignity, autonomy, refusal and shared-decision scholarship, the analysis distinguishes initial permission from continuing tolerability and identifies the ethical significance of changing verbal and non-verbal expressions during an episode of touch. The central argument is that continuing permission should remain revisable throughout care. A patient may initially accept touch yet subsequently experience discomfort, uncertainty or a wish for contact to stop; conversely, reduced verbal communication cannot be treated as continuing authorization by default. The analysis develops a Continuing Consent and Bodily-Boundary Framework in which permission, tolerability, interpretation of changing responses, interruption and respectful alternatives are treated as related but analytically distinct processes. The framework does not establish a validated clinical protocol or numerical threshold for withdrawal. Instead, it clarifies the professional responsibility to notice boundary changes, preserve opportunities for withdrawal, accommodate communication differences and avoid converting relational familiarity into presumed bodily access. The resulting account positions therapeutic touch as a temporally contingent nursing practice whose ethical legitimacy depends on continuing responsiveness to the patient's present bodily and communicative situation.