Everybody needs a hug. It changes your metabolism.

Buscaglia’s line links simple physical affection with measurable bodily effects. A “hug” stands for warmth, reassurance, and human connection—needs that cut across age and circumstance (“everybody”). By saying it “changes your metabolism,” he frames tenderness not as sentimental excess but as something that can alter stress responses and overall well-being, implying that emotional support is biologically consequential. The remark also fits Buscaglia’s broader public persona as a popularizer of love, touch, and interpersonal openness: it argues that care is not merely psychological comfort but a form of nourishment that can shift how the body functions.