What are "obvious" things that you don't really understand?

Question: What are "obvious" things that you don't really understand!?

Top three for me at the moment:
3!. gravity
2!. time & spacetime
1!. free willWww@QuestionHome@Com

Best Answer - Chosen by Asker:

I don't understand why humans have love!. What is its function in terms of its evolutionary advantages!? Why did we evolve to have such a strong and deep emotion!? What is its purpose in human life!?

also I don't understand how they get the holes in that cheese! lolWww@QuestionHome@Com

1christian religion(cause it is based on other religions how can ppl buy that crap of all the other better crap!?)

for ur things:
1!.gravity it is the force that a big object exerts on a tinier one then it own self(there is nothing to understand to it it is just as that but i will give 2 examples)
earth exerts force on us so we dont stray from it
theoratically a bus exerts force on us but because the earth is already exerting force on us and the difference of volume between the bus and you isnt that great you dont feel it but if you were in space then the bus would atract your body to itself!.(it would take a long time though)
2!.about time what dont you get about it maybe time travelling (that is difficult) but i cant think of something else
3!.i cant explain that either but there was a question about that that gives many opinions search it up in this own siteWww@QuestionHome@Com

I don't understand what it would be like if there was no earth!. no nothing!. no life!. I don't understand why people are content with their life even if it's trash, because we can only live once!. why can't we live our best!? i think of tons and it catches me off guard!.!.!.Www@QuestionHome@Com

Here is my top 3

1) What's the genetic code's purpose!?

2) What is the Universe itself in!?

3) If the existence of God and evil are indeed consistent, does the existence of evil nonetheless prove the absence of God!?Www@QuestionHome@Com

there is nothing i cannot understand haha!. so far!. except one question why does everyone protects the dumbass lee chin chye even he did something wrongly and not me!? imao!.!.!.!.Www@QuestionHome@Com

When even a pin has to be created in the factory, how come the Atheists conclude that this vast Universe came into being without a creator !?Www@QuestionHome@Com

Women
Liberals
The Law
Good people dying and scumbags go on livingWww@QuestionHome@Com

Why Homer thought the sea was "wine dark!."

Ever seen an aquamarine wine!? Neither have I!.Www@QuestionHome@Com

Three "obvious" things that I don't understand are:

greed
racism
criminal actsWww@QuestionHome@Com

Selfishness and ignorance I just can't wrap my head around the idea of living so!.Www@QuestionHome@Com

evolving human nature!.Www@QuestionHome@Com

What others think about you!.Www@QuestionHome@Com

to learn Indian politicians and their non-convincing ideologiesWww@QuestionHome@Com

love, people and rejectionWww@QuestionHome@Com