[atoav]

The point is that putting a number on it might not capture the meaning and the context humans put into it. There is so many ways to do this wrong, that sometimes it is just better to have someone who loves the topic and tells you: "yep it is going good", if it is indeed going good.

[mhall119]

So many things are qualitative, but not quantitative. They can be measured, but not counted. Happiness is one of those, you can say that you are "more happy" or "less happy" from one day to the next, but you can't count happiness, you can't put a number on it.