the time between when adam was created and he was told that he could freely eat of the trees except for one, he was a breatharian. there are versres in between these two events which shows some time elapsed.
here are some questions for you. who told eve about the tree of knowledge of good and evil? if adam and eve had not eaten of that fruit, would they have lived forever? and the best one - why didnt adam ever eat of the tree of life? there were two trees in the middle of the garden. eve didnt seem to be able to tell the two apart.
2And the woman said unto the serpent, We may eat of the fruit of the trees of the garden:
3But of the fruit of the tree which is in the midst of the garden, God hath said, Ye shall not eat of it, neither shall ye touch it, lest ye die.