Odd question, how does it smell? Is it vile smelling? If it is you might be looking at an anal gland issue. My cat needs to be on a vet diet otherwise he starts oozing anal gland juice and it's quite gross
"He is your friend, your partner, your defender, your dog. You are his life, his love, his leader. He will be yours, faithful and true, to the last beat of his heart. You owe it to him to be worthy of such devotion."