to be in the pink (be healthy)
as happy as pie (be satisfied/happy)
To have a bun in the oven (be pregnant)
To be cool as a cucumber
rainbow
the black sheep in the family
a piece of cake (easy)
To sell like hot cakes
(to be a popular product)
not my cup of tea
Horse of a different colour
to have green fingers
be good at gardening
to be tickled pink (be very pleased)
get on like a house on fire
become friends very quickly
to be full of beans
(very energetic)
be caught red-handed
the centaur of attention
the centre of....
to be the bread winner
MAN
BOARD
MAN OVER BOARD
leave the nest
READING BETWEEN THE LINES
I UNDERSTAND
MIND OVER MATTER
TO FALL ON DEAF EARS
pay through the nose
pay a lot of money for something that could be cheaper
a hole in one
when you play golf and you hit the ball into the hole in one shot