祝你永远幸福。

Zhù nǐ yǒngyuǎn xìngfú.

Wishing you eternal happiness.

我会永远记得你的帮助。

Wǒ huì yǒngyuǎn jìde nǐ de bāngzhù.

I will always remember your help.

你永远都是我的好朋友。

Nǐ yǒngyuǎn dōu shì wǒ de hǎo péngyou.

You will always be my good friend.