Hi there I think a pet can make going though life easier for people with ocd, I choose a cat for mine and dump all my worries at her feet. She’s like a dog, I walk away, I turn a corner and wait patiently for her to move on up beside me and within ten minutes we have taken off down the street, we choose to turn a corner and repeat the process. I went to find her some milk, but only in those large plastic bottles. Is it clean? I really don’t know. It makes her and me happy regardless!