A rich guy was talking to a hillbilly about the presents they got their wives. The rich guy says he got his wife a diamond ring and a Rolls Royce. The hillbilly asks why
The rich guy says it is so that she doesn't like the diamond ring she can take it back.
The rich guy then asks the the hillbilly what he got his wife.
The hillbilly says he got his wife a pair of flip-flops and a dildo. The rich guy asks why.
The hillbilly says that is in case his wife doesn't like the flip-flops she can go fuck herself.