Ive had the motorbike (sold it) and the boat (about to sell it) and the car (keep'n it).
Got a Microlight trike with plans for more planes in the future.
I don't reckon it's a mid life crisis - more like a phase of life that many seen to follow ...
We always wanted these things, but either couldn't afford it or had other priorities... Marriage, house, kids, school etc etc...