I’m happier than a pig eating bacon!
I'm delighted and feel incredibly happy with what have been an amazing two months.
We could not be happier.
I'm very happy, very delighted. I'm setting to like a fighting cockerel, for I'm surrounded here by all that I love.
I've Got the World on a String.
Happy as a clam, is what my mother says for happy. I am happy as a clam: hard-shelled, firmly closed.
I'm happier than a tornado in a trailer park.
I was stupid, the official descriptive phrase for happy.
I am so happy. I am so impossibly happy.