Bible Question: What was the First Sin?

Although I`m new here, I couldn't miss the obvious: God made us on his image. That doesn't mean shape of a head or teeth but capability to seek for justice, harmony, and above all to use a free will he gave us. That
free will was also given to Adam and Eve. They use it as they did, and now we are where we are. Edited by nina70, : No reason given.

God should find their actions easy enough to forgive. I would.there are some limits in our lives - not all by our own will. Some of them were set by low, by tribes or nature. You have free will to set up a house on volcano but you cant blame anyone if it starts to spit lava and kill everyone in it.
God give us limits, cause we are his creation and he now our capabilities. Disobeying thous limits cose death, illness and etc.
His love is in his son sacrifice who died for our sins.
All he ask from human kind is to obey his rules, and they are simple, simpler then the human low you and me obey every single day in our lives.