A: Then I'll feel relieved.

那我就放心了。

Please the user community feel relieved.

请广大用户放心。

Would I feel relieved or would I feel sad?

我会如释重负或伤心吗？

You'll instantly feel relieved from your worries.

你会马上感觉从焦虑中解放出来了。

He was surely not the only person to feel relieved.

他当然不是唯一一个感觉放松的人。