Hi all hope someone can help over the last 3 weeks peggy sue has developed an obsession with sniffing everything, it started of that she would spend hours sniffing the bottom of one radiator, its now gone to every radiator in the house every cupboard, eveyones shoes every body basically everything she comes into contact with shes sniffing constantly and i dont no why she has started this, i understand dogs sniff ect but this is excessive, we tell her to stop when shes doing it she will stop but just moves to a new object to sniff can any one shed some light on this please as driving me crazy