My father was a motorbike nut followed by 3 wheeler and 4 wheelers changing cars every couple of years.
I had a Mini followed by a Cooper.
But I only became a nut when I rebuilt a Series 2 in an upstairs flat bedroom.
The main ash frame will go through a doorway on end!
The Ford Pop engine can be carried by two guys and straps, slid upstairs on a metal kitchen tray.