People who own dogs smell of dog.

People who own cats smell of cat.

Same principle as how a lover's scent transfers.

My dog smelled of perfume I wear.

And

My shirts wear stink of my sweat.

washing machine kills they

A scent is a boundary between the inside and outside of a life.

Sometimes humans love something and may even want to make it a part of themselves.

But,

Remember,

Because humans are separate, humans can smell someone's scent and hold someone in arms.