Rob ter Horst quantifies everything in his life & sells everything his marketing agency want him to sell?

Everything can only be measured with an fMRI brain scanner as the one from Richard Davidson. Rob ter Horst sold us the Polar H10 chest strap, when we requested for tests with high-quality 3 channel ECG devices: a paper which is partly funded by Polar: https://pubmed.ncbi.nlm.nih.gov/31004219/ And Rob ter Horst sells us 100 smartwatches? which …