I'm a Macperson but for my primary Mac (Retina iMac), I refuse to upgrade simply because of my 32bit apps. I still have plenty of them that work as designed and

I'm a Macperson but for my primary Mac (Retina iMac), I refuse to upgrade simply because of my 32bit apps. I still have plenty of them that work as designed and have no interest in purchasing newer versions just because Apple says so.