I think my all-time favorite song just might be Bob Dylan's "Tangled Up in Blue", not just because it's a gorgeous story-song, but because I just love the phrase "tangled up in blue". It's the perfect, poetic way to describe how sadness can get a hold of a person. It doesn't really knock you over or smother you. It's more like an entanglement that's tough to get free of. It's not devastating. It just slows you down.