We think we communicate mostly with words. But the fact if we don't know exactly how much communication or information exchange is happening on the subconscious level. We understand so little about the brain, and consciousness that this question is unequivocally unanswered - exactly how much information exchange happen on the subconscious level. I think it is far more than we think. The conscious brain is good at reasoning after the fact i.e. coming up with reasons why we think a certain way. And these reasons are not always right - they are just an attempt by the pre-frontal cortex to make sense of how we are feeling at the time. e.g. you meet someone for the first time. There is a lot of information exchange happening. Just you looking at this person, there are processes in your brain forming an idea about this person - they way he looks, the way he walks, the way he moves, the way he smells, the way he talks, his facial expressions etc. etc. there are many other non-verbal data ...
What is happiness? Popper answered this question the best in his answer to what is the meaning of life. "All life is problem solving" Problem in the Popperian sense is not always something bad. Problem can be any unsolved thing that you are working on and the definition is not limited to science, art etc. Raising your kids well is also a problem in this sense, and so is trying to get better at dodgeball. Working on a problem is a process of knowledge creation. So in a sense, life is a process of knowledge creation. What is a good life then? what is a happy life? It is a life where the problems you are working on, the knowledge that you are creating, are interesting to YOU. This is the key here - YOU find these problems interesting and are free of coercion in choosing these problems. This is easier said than done. I wrote about it in an earlier blog post , but I believe most misery (excluding misery due to physical pain/limitations, or psychological issues that are real e.g. ...