Didn’t you know that?: The highest level of happiness happens at the beginning OF EXERCISING
As a quick last fact, exercise, the increase of the BDNF proteins in your brain acts as a mood enhancer. The effects are similar to drug addiction one study found. So when you start exercising, the feeling of euphoria is the highest:
The release of endorphins has an addictive effect, and more exercise is needed to achieve the same level of euphoria over time.
So, if you have never exercised before (or not for a long time), your happiness gains will be the highest if you start now. We cannot conclude that the fountain of happiness lies in exercise, but at least we want you to be aware of this fact and try to exercise, but always consulting with your physician.