Peter Garelja's decision to offer his brain to science for research into Parkinson's disease is quite unique.
The former Tikipunga High School principal retired in 2013. He had been diagnosed with Parkinson's eight years ago.
Since retiring he has reflected on many things, including the fact he should have retired a year or so earlier. In the words of Neil Young, Mr Garelja had decided "it's better to burn out than to fade away". When he retired, he was exhausted.
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Since then, he has, in his own words, hit the "pause" and in contemplating his future, chosen quite deliberately to focus on the things that are good in his life.