Slightly morbid but... what will happen to your collection when you die?

Ok, just some context. I'm nearly 60 and I've been collecting for about 15 years. For 10 of those years I was in a well paid job, I didn't have many other hobbies and we don't have children. So the collection is pretty hefty. According to my Brickset stats, just shy of 900 sets and 1100+ minifigs. I'd estimate that 90% are still in sealed boxes. Not, I hasten to add, because I'm squirreling them away to resell, but because I simply bought them faster than I could build them, and my wife has a...