[voicereasonish]

I don't think it is a bad comparison at all. You could say people have a preference for being happy. But being happy every day would be pretty unwise. After a while it would stop being happy and it'd be relentlessly normal. Then you'd need something to make you "super happy"!

Variation in all aspects of life is what keeps us grounded and gives us reference points.

But end of off-topic hijacking for me...

[Dewie]

Some people are both happy going skiing, and going swimming at the beach (maybe even in the span of one day). Since both of these two conditions, made possible by climate/weather, elicit positive emotions, it doesn't really have any analogy to what you are describing.