motions and they have a choice in how they respond. 3. They Don’t Shy Away from Change Mentally strong people don’t try to avoid change. Instead, they welcome positive change and are willing to be flexible. They understand that change is inevitable and believe in their abilities to adapt. 4. They Don’t Waste Energy on Things They Can’t Control You won’t hear a mentally strong person complaining over lost luggage or traffic jams. Instead, they focus on what they can control in their lives. They recognize that sometimes, the only thing they can control is their attitude.