Why did the birthright never bother Esau?
The birthright never bothered Esau because it was spiritual, while the blessing he missed was material. He became excited over the missed material blessing, but the spiritual birthright did not trouble him, showing the contrast between spiritual and material concerns.
Les explains that Esau got so excited about missing the blessing because that blessing was something material. The birthright, however, never did bother him because it was something spiritual. This distinction helps settle these things in the listener's mind. The next program would show how things progressed after the deception by Jacob and his own mother.