Bruce Willis' wife is opening up about her experience caring for someone with dementia. Emma Heming Willis hosted an Instagram live Friday, during which she spoke with occupational therapist Teepa Snow, who is also a dementia care specialist and founder of Positive Approach to Care.The two discussed the stigma surrounding a dementia diagnosis and how it is hard to understand if you haven't been through it. After Snow brought up the backlash Emma received when she asked photographers to leave her husband alone, Emma clarified her statements, explaining she didn't expect them to refrain from photographing her husband.