'Really' in the Bible

Now Sarah was listening at the tent entrance behind him. Abraham and Sarah were old really old and Sarah was beyond the age of childbearing.

The LORD asked Abraham, "Why did Sarah laugh and think, "Am I really going to bear a child, since I'm so old?'

Besides, she really is my sister she's my father's daughter, but not my mother's daughter so she could become my wife.

He asked, "Are you really my son Esau?" "I am," Jacob replied.

At this, his brothers replied, "Do you really think you're going to rule us or lord it over us?" So they hated him even more because of his dreams and his interpretations of them.

When Joseph told his father about this, his father rebuked him and asked him, "What kind of dream is that? Will I, your mother, and your brothers really come to you and bow down to the ground in front of you?"

After this, Judah told his daughter-in-law Tamar, "Go live as a widow in your father's house until my son Shelah grows up." But he was really thinking, ""otherwise, Shelah might die like his brothers." So Tamar left and lived in her father's house.

when he notices that the young man hasn't come back with us, he'll die, and your servants really will have brought death to your servant, our father, along with his sad, gray hair!

Joseph blurted out, "I'm Joseph! Is my father really alive?" But his brothers could not answer him, because they had become terrified to be in his presence.

"Look, now! All of you can see me! And my own brother Benjamin can tell that it's really me speaking to you!