I think it gets boring (for the audience) for the lead singer to have a guitar hanging on them all the time.
If everything always went perfectly, I would feel like, When is the ball going to drop? Because good things don't always last. Maybe I'm a pessimistic person. When something just seems too good, I can't believe it.
One friend in a lifetime is much; two are many; three are hardly possible. Friendship needs a certain parallelism of life, a community of thought, a rivalry of aim.