YOU SAID:

I haven't laughed so hard in ages.

INTO JAPANESE

こんなに笑ったのは何年ぶりだろう。

BACK INTO ENGLISH

It's been years since I laughed this much.

INTO JAPANESE

こんなに笑ったのは何年ぶりだろう。

BACK INTO ENGLISH

It's been years since I laughed this much.