YOU SAID:

She was over the moon when she saw that he said he fell for her.

INTO JAPANESE

彼が彼女に恋をしたと言ったのを見て、彼女は大喜びした。

BACK INTO ENGLISH

She was overjoyed when he told her that he had fallen in love with her.

INTO JAPANESE

彼が彼女に恋をしたと彼女に言ったとき、彼女は大喜びした.

BACK INTO ENGLISH

She was overjoyed when he told her that he had fallen in love with her.