We get it. Being the go-to person feels good. It gives you a sense of purpose and contribution. But saying "yes" at all costs, even when you're overloaded, has a real impact on your professional performance, and on you personally. The unintended consequences of being everyone's go-to person can result in workload imbalances, unspoken resentment towards your team, and even quiet cracking, which are precursors to burnout.