My FIL ruled the house when he was alive. MIL has been diagnosed with mild dementia but we're having issues with quite a few things regaring hygiene and behavior. She is sweet as can be with my husband and son but downright mean to myself and my DIL. Everyone says it's the dementia yet in the middle of a rant, if my husband walks in she immediately turns into a smiling sweet lady. He didn't quite believe me when I described our conversations until he came up behind her one time and listened for about 10 minutes. If she can shut it off that quickly then I don't think it's dementia. Any advice?