Even if it changed drastically for the better, If you weren’t happy in the first place, I very much doubt that you’ll be happy after the change.

即使为了快乐大幅度的转变，如果你一开始就不开心，我很不确定改变之后的你是否会感到快乐。

youdao

At five I am happy, cushionedin normality and the arms of my parents. Everything changed, starting now.

五岁的我很快乐，在父母的臂膀下正常的生活着。

youdao

Happy birthday, today I want to tell you my heart, thy beauty changed my aesthetic of the world, your happiness has changed my understanding of the world, your laughter changed my weary heart.

生日快乐，在今天我想告诉你我的心情，你的美丽改变了我对世界的审美，你的快乐改变了我的世界的认识，你的笑声改变了我疲惫的心灵。

youdao

"I would be quite happy for them (the management) to recognise market conditions have changed and give up, rather than soldier on and wait for this miracle, " one told Reuters.

BBC: NEWS | Business | Share falls weaken Barclays' bid