YOU SAID:

i wanted you to get chickenpox while you were young

INTO JAPANESE

若いうちに水痘に乗って欲しかった

BACK INTO ENGLISH

I wanted you to have chickenpox while I was young.

INTO JAPANESE

若いうちに水痘にかかってほしいと思っていました。

BACK INTO ENGLISH

I wanted chickenpox while I was young.

INTO JAPANESE

私は若いうちに水痘が欲しかった。

BACK INTO ENGLISH

I wanted chickenpox while I was young.