Can there be joy in obedience? That depends on if obedience if a free choice or the result of threats. When obedience is coercive, it dominates and subjugates our wills, or at least attempts to do so, and no one wants to be ruled by another.
For the past twenty years that I've been a Christian, I've not found any evidence in my reading of Judges 13-16 that qualifies Samson for the "book of faith" (Hebrews 11). Selfish, manipulative, short-tempered, and homicidally violent, Samson's a borderline-psychotic personality.
The radical gospel of justification by faith alone simply does not fit, cannot be accepted by, and will not work with an anthropology which sees the human being as a continuously existing subject possessing ‘‘free choice of will’’ over against God and/or other religious goals.
There was a TV show back in the ‘90s called “Dinosaurs” that I used to sneak into the living room at night to watch. The reason I had to sneak-watch this show was that my loving and protective parents had a problem with the Baby in the show who was very disrespectful (albeit hilarious).
We all do it. It comes naturally to every human being. Since the Fall, every man and woman, every child, everyone imagines he can use experience and knowledge to figure out God. Specifically, to be God in God's place.
Christians have long enjoyed an absurd love affair with white-washing biblical saints. Since the earliest days of the Church, saints have been held up as role models for great faith and godly behavior. From the Old Testament, for example, Abraham is often held up by Sunday School teachers and adult bible study leaders as a role-model.
When I hear the word “repentance” my mind quickly goes to those old terror inducing Chick Tracts. Say the word “repent” and I think of that guy on the corner yelling at me and the rest of the Atlanta United FC supporters as we march into Mercedes-Benz Stadium.