"Good night John-Boy, … Debbie, … Mattie …."

This week Debbie bought a new house.

She won't move for a while. The current owners don't want to have to leave till November. That's fine with Debbie because she's still waiting for her mom's house to sell so she'll have the money. (You remember that her mom died a couple months ago.)

But wait, doesn't Debbie already have a house? Doesn't she, in fact, own a house that she herself described as "the nicest place she has ever lived as an adult"? What gives?

Well, you know that her daughter Mattie lives in the next town over -- Mattie and her husband and two little boys. (That's the whole reason Debbie is living where she's living.) She regularly drives over to spend time with them, helping out in a grandmotherly way when Mattie and her husband are overburdened. You also know that Mattie and her husband don't make much money, and live very frugally. So Debbie and Mattie put their heads together and decided it would make the most sense to buy a big house where they could all live together. Debbie could help raise the boys, Mattie and her husband could stop paying rent, and when Debbie gets actually old (she's 67 this year, and clearly not yet "old" by this definition), Mattie and her husband could help her out and take care of her. 

Wait a minute -- suppose I want to come visit? How will that work? Debbie figures she'll put a sofa-bed in her bedroom along with her regular bed; then any guest "who is like family" can sleep there. For someone who is less close, she guesses they can figure something else out. I think I'm probably in the first category.

OK, OK, so if we suppose that the question of my visits has been handled, what then? It's interesting. In principle I think it is a great idea. When my father was a kid his grandmother lived with them, and he loved it. And I can personally vouch that parenthood is too big a job for two adults: having live-in help is a great idea.

But at the same time I can never imagine doing the same thing with either of my boys. And I am trying to understand why not.

• Partly, I value my own solitude too much. This will become a problem when I get old and frail and brittle, but I am assiduously not thinking about that right now. (That always works, right?)
• Partly there are two of them, … so in the event that they both start families, which one should I stay with?
• And partly I just assume that neither one of them wants to see that much of me. Didn't they get pretty well sick of me during all those years they were growing up? Sure, we get along fine now, but I assume that's just because we see each other only in small doses. 

Of course, I assume that about most people, really -- I mean, I assume that they can tolerate me best when there are strict boundaries and limited exposure. And, well, OK … I guess strictly speaking I know that Marie wants to marry me or live with me permanently, but I figure she just doesn't know her own desires well enough because she hasn't been married before: I keep telling her that after a few years the bloom will fade and she'll get sick of me. Also I know that Son 1 is living with Wife right now, but I'm pretty sure that's just because of straight-up emotional blackmail on her part. If anything, surely that experience will leave him sufficiently disgusted that there would be no prayer of his ever wanting to do it again.

It's strange that I can think this is such a good idea in the abstract, and yet it feels odd when Debbie does it and I find it unthinkable that I myself ever would. Maybe this makes me a flawed person … I mean, more flawed than we already knew I am. I just don't know.