coolness vs self-control

coolness

• Indifference; lack of passion or interest. 

• The state of being cool, i.e. calm. 

• The state of being cool, i.e. good or pleasing. 

• The result or product of being cool, i.e. good or pleasing. 

• The state of being cool, i.e. chilly. 

• The result or product of being cool, i.e. chilly. 

self-control

• The ability to control one's desires and impulses; willpower. 

• To control oneself or itself.