The Behaviour Gap Most people know what to do to lose fat. Eat more protein. Exercise consistently. Sleep enough. Reduce alcohol. The knowledge is not the problem. The behaviour gap β€” the distance between knowing and doing β€” is almost entirely psychological. Closing that gap requires understanding the specific cognitive patterns that maintain it. Consider Sarah, a marketing executive who knows protein intake should be 1.6g per kilogram of body weight, understands the importance of compound exercises, and has read dozens of articles about caloric deficits. Yet she finds herself ordering ta…