Dealing with dementia: ‘I’m not a wife anymore, I’m a carer. That’s sad, but once Thomas is happy, that’s all I care about’

You are wearing dark sunglasses, but rather than music, there’s a cacophonous audio mashup of the television, the radio and amplified household sounds ringing in your ears. Meanwhile the place is a mess, the ground is moving, you’ve got pins and needles in your feet, and there is a person in front of you with a clipboard barking commands at you.