to suffer from sour grapes - zazdrościć
be down in the dumps
get a (real) kick out of something
be in seventh haven
bliss - rozkosz
be thrilled to bits
be flating/walking in the air
be on cloud nine
be over the moon
a misery guts - osoba narzekająca i zawsze nieszczęśliwa
just grin and bear it
go into raptures (over/about/at)
jump for joy
rapture - zachwyt, uniesienie
elation - radość, euforia
euphoria
something makes your day
do something for kicks
be out of sorts
feel on top of the world
Happiness and sadness 
Escape to the country – should you?
(Yellow)stone’s Throw Away from Nature
Wyspiański w MNK