Have just let my 2 year old rescue cat outdoors this weekend - for the first time since we got her about 6 months ago. She is used to being an outside cat, and is loving it!! Thing is - she seems to be licking her bottom an awful lot, and is overly concerned with the litter tray when kept in at night. Is this just a sign of her anxiety/stress at this new lifestyle? Or could it be something else? She is regularly fleaed/wormed etc, and is in very good health. I'm not terribly worried - just a bit bemussed!!