Happiness
noun, な adjective
With a little happiness and luck you can achieve happiness, though that goes without saying. 幸福 is often used to discuss happiness in a broader, more abstract sense, like the happiness of a population or the concept of happiness in philosophical contexts.
こうふく
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
ヤグルマギクの花言葉は「幸福」です。
The cornflower's (yagurumagiku) flower meaning is 'happiness'.
私の場合は、「やりたいことができる」より「やりたくないことをやらなくていい」仕事の方が幸福度が高い気がします。
In my case, I feel like I'd be happier with a job where I don't have to do things I don't want to do, rather than being able to do what I want.
同じ人生を歩んでいても、幸福と感じる人もいれば、不幸と感じる人もいる。幸福か不幸かは、「あなたがその人生をどう切り取って見るか」、それだけなんですよ。
Even if people walk the same path in life, some may feel happiness while others may feel unhappiness. Whether it's happiness or unhappiness depends solely on "how you perceive that life," that's all there is to it.