All human beings, young or old, man or woman, regardless of race, language or religion, nationality or beliefs have two abilities.
When faced with agreeable, pleasant people, situations or things, we can get happy, joyful, at ease, calm and do nice stuffs, say nice words. That's easy. We all can do that.
When faced with disagreeable, unpleasant people, situations or things, we can get unhappy, sad, frustrated, angry, and may do crazy stuffs, say angry words. That's also easy. We all can do that too.
These are the two abilities that all unenlightened beings have. Conversely, it is true as well. If you can only react in this two ways, then you are probably unenlightened. But don't fret about it, 'cos you are like the rest of us 99.9999999999999999999999% sentient beings.
But wait. There is a third ability we can have.
When faced with the agreeable … or disagreeable … we can still have inner peace and happiness. This inner peace and happiness is somewhat different from the happiness above. The happiness above is based on getting what we want. This is worldly happiness. Losing what we want brings unhappiness. This is worldly suffering. Both are intertwined, like two . . . → Read More: The two abilities we all have, and a third we can have.