The fundamental nature of time is change. In physics and philosophy alike, the concept of suggests that no state—joyous or painful—is static.

Tough individuals do not ignore reality; they reinterpret it. Instead of seeing a setback as a "dead end," they view it as a "pivot point." This involves moving from a ("Why is this happening to me?") to a growth mindset ("What is this teaching me?"). B. Self-Efficacy

Resilience requires the ability to sit with discomfort without being paralyzed by it. Toughness is not the absence of fear or sadness, but the capacity to act in spite of them. 3. Strategies for Outlasting the "Tough Times"