Nearly half my lifetime has been spent in many aspects of actuarial consulting—international M&A work, and more recently, Integrate implementations. At the core, though, is building and understanding financial models.
I was doing some software training and everyone seemed very disinterested, except one fellow who was eagerly clicking away at his computer. After a while I strolled to his desk to admire his work, only to discover he was in the middle of a marathon session of Minesweeper.
One. (A random displacement model of stuffed animals.)
One year longer than necessary. Back then the Toronto Maple Leafs actually did well in the playoffs. Not good for studying.