I think the answer to this question is headache. <span />
When you exercise outdoors, there is a more natural connection between you and the environment. You may also be motivated to change some things in the environment if you exercise in a polluted environment.
Answer:
In Stranger Things 4, what I think is going to happen? Well, I think Season 4 is likely to concentrate on Eleven and how, or whether, she ever gets back her abilities. El loses her abilities at the end of season 3, after the fight at the mall, and she can no longer shift objects with her mind, or find people in the void.
The goals of vertical coomunication are:
1. Power 2. Prestige 3. Position