I often wonder about the "personalities" of machines and other inanimate objects.

We have a Keurig coffee maker at home. A few weeks after we bought it, it started acting funny. By "funny" I mean that it never gave you the amount of coffee that you asked for. Regardless of the button you pushed -- for a small, medium, or large cup of coffee, it gave you the amount it wanted to give, usually a small cup. I just got used to going through the process twice (using the same pod) for the amount of coffee that I wanted. For whatever reason, we never returned it.
Last weekend, we saw the demonstration of a competitor's coffee maker. Same idea as Keurig but different pods and unlike our Keurig, this one also makes espresso and cappuccino. And it made good coffee. And it was on sale.
So we took one home but decided to use up our supply of Keurig pods before opening the new machine.
Wouldn't you know that the Keurig seems to be working fine. I'd almost say that it lost its attitude for fear of being replaced. But that's too silly.