Because you haven’t ever really lived without them. It’s a shock to the brain and body that they are gone and you can’t necessarily believe that you won’t ever get to see them again.
Im not quite sure but i would go with
1. changing to a completely new type of activity - overcoming a plateau
2. making your goals easier - restarting after a break
Answer:
Correlation virus causation.
Explanation:
The uncertainty of the direction by which these relationships exist indicate the importance of remembering the principle of correlation virus causation.
Answer:
your answer would be sinus node (also called the sinoatrial node, or SA node).
Explanation: