"Cats also seem to remember kindness and return the favors later. If owners comply with their feline's wishes to interact, then the cat will often comply with the owner's wishes at other times. The cat may also "have an edge in this negotiation," since owners are usually already motivated to establish social contact."From Discovery News. The researchers say that women are more vulnerable to getting into relationships with cats, but that the gender of the cat doesn't matter (which squares with my experience, giving the long-standing and unresolved debate over whether Potato might actually be a girl).