There are many ways to be happy.

Or, not to overdo it: to more balance and satisfaction.

Sport is one of them.

And sometimes, yes, sometimes you have to torment yourself to be lucky.

Jens Kleinert knows exactly what is behind it, which physical processes and psychological needs play an important role and what you can do to get closer to this feeling.

He is professor for sport and health psychology at the Psychological Institute of the German Sport University Cologne.

The qualified sports teacher and physician completed his habilitation in sports psychology.

Anyone who understands the factors through which sport positively influences our psyche also recognizes what they can change or do even better.

WORLD:

What does it matter whether and to what extent we experience satisfaction or even happiness through sport?