So, he listened to God's word, ostensibly considered it to some degree, and then made the conscious choice to believe.
How dare he be so insolent as to question the word of God, put God's word to the test, make God indebted to his choice.
The only way around that little fact is if you had no choice at all, which leads to the absurdity of predestination.
I must thank the Protestants, at least the ones most virulently opposed to Catholicism, as you've exposed me to the shallowness and lack of rigor in your scholarship.
It's like listening to middle-schoolers discuss Kierkegaard.
Abram believed God and it was accounted to Him for Righteousness