The Science of Psychology states that Cat owners or Cat lovers are generally--Terretorial, moody, loners, bi-polar sufferers,not to mention dangerously---suffer some sort of accute dimentia caused due to habitual inhalation of their cats Pheromones.Pheromones are chemical substance released by cats or any animal that influence the physiology (to fatness) or behavior (to moodiness), hence the 'moodiness' that cats usually are known for.Not to mention the occasional outburst of anger or emotion when irritated--like screetching or scratching side effects.(And the mewing grawls that literally scares me--makes me actually jump on a table & cry like a baby)