If you are happy with something,
you will be sad with (-) something.
If you are at peace with something,
you will be at peace with (-) something.
If you are happy with something,
you will be sad with (-) something.
If you are at peace with something,
you will be at peace with (-) something.
Why would sadness be a balancing mechanism for happiness, when indifference is the zenith of being at peace?!