BaalHabooze
Who says they wouldn’t have eventually? Thats why Hashem kicked them out of the Gan to stop them from eating from the eitz hachaim. Also, there was no attraction to it because they werent forbidden from eating of it and they would have gotten around to it eventually.
Lets look at the sequence of events, in the first hour, his [Adam’s] dust was gathered; in the second, it was kneaded into a shapeless mass. In the third, his limbs were shaped; in the fourth, a soul was infused into him; in the fifth, he arose and stood on his feet; in the sixth, he gave [the animals] their names; in the seventh, Eve became his mate; in the eighth, they ascended to bed as two and descended as four; in the ninth, he was commanded not to eat of the tree, in the tenth, he sinned. This all happened in a few short hours so really he may have eaten from the eitz hachaim eventually given the time to do so.