像我们家老大嫉妒新来的老三, 可能有些忧郁了吧,就在屋里大便,在床上小便,发泄不满。当然是我猜的。有朋友建议用一些缓解猫咪情绪的如spray or electronic gadget to come down the cats....Check this out: http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=feliway