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B Smith, the former 'lifestyle guru' and TV personality is living with dementia. Her husband still lives and cares for her, but has a new live-in girlfriend. Is it wrong to look for love elsewhere when your partner is ill? Christine and Susan, both who have experienced caring for partners with dementia, tell OS how they feel about this often difficult and emotional decision.

(Photo: B Smith (on the right in red), husband Dan Gasby, and her husband's girlfriend Alex Lerner, (on the left). Credit: Getty Images)