I've included this picture because Willie Nelson is a great example of country music at it's best. If a band of country music were to look for inspiration, Willie Nelson would be a great icon to look up at.
This would be nice. To sweat like a pig, because pigs don't sweat. But that wouldn't be a good workout soooo. I would say, "sweat like a Horse and look like a fox." Because, unlike a pig, horses sweat a ton when they have really worked out!