"All God's Giants were once weak (3 of 5): Not once, but twice, Abraham claimed his wife was his sister to protect himself. Even still God transformed Abraham into, "the father of those who have faith."
When challenged with a tough situation, don't give in to the temptation to lie to protect your image. Be proud of the fact that you're a child of God and never compromise your values.
And he received the sign of circumcision as a seal on the righteousness received through faith while he was uncircumcised. Thus he was to be the father of all the uncircumcised who believe, so that to them [also] righteousness might be credited,
Romans 4:11 (NABRE)