哪位英语好的人帮我把中文翻译成英文谢谢.

many reasons can make one unhappy,but if it is said that to be happy requires a reason ,then it will be he's here with you.

One's unhappiness may have many reasons.
If it needs to have reasons to be happy.just beacause He is with you

There are many reasons for one's unhappiness, if happiness needs reason, it's all because he's around.

It takes many reasons to be unhappy, but if being happy needs a reason,that is he's by your side.