Stay with the positive experience for five to ten seconds or longer. Open to the feelings in it and try to sense it in your body; let it fill your mi… - Rick Hanson

The Reactive mode tears us down, while the Responsive mode builds us up. Adversity is certainly an opportunity to develop resilience, stress-hardiness, and even post-traumatic growth. But for a person to grow through adversity, there must also be Responsive resources present such as determination and sense of purpose. Plus most opportunities in daily life to experience and develop mental resources do not involve adversity: there is simply a moment of relaxation, gratitude, enthusiasm, self-worth, or kindness.

[I]f you can be with the pleasant without chasing after it, with the unpleasant without resisting it, and with the neutral without ignoring it - [...] that is an incredible [...] freedom.

Suffering has clear causes in your brain and body, so if you change its causes, you’ll suffer a lot less. And you can change those causes.