It was when Janne became very inquisitive about an old car that Christina and her family began to understand that something was wrong.
After tests and investigations, it was clear that Janne had contracted Alzheimer's disease.
He has been steadily getting worse all the time.
Today, Janne is 71 years old and lives in a dementia home.
In the clip above, Christina talks about what it is like to be a relative of a person with Alzheimer's.
Köping's dementia association about the most common questions that relatives bring up
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Köping's dementia association Photo: Ludwig Vesterström / SVT