3 years for me as well. I have more spending money than I ever did during my working days. Of course, my plans for travel have been curtailed - and, as I said in another thread, I'm likely to cancel an upcoming trip, so that's not worked out as planned.
No boredom. Not one single second. I said soon after I retired that I had the odd feeling of growing younger - because more time was opening up in front of me. That feeling has persisted, though eventually the reality will reassert itself :-) Until then, I'll take it!
July 12, 2018. On safari to stay!