YOU SAID:
A watched pot doesn't boil
INTO JAPANESE
見守られた鍋が沸騰しない
BACK INTO ENGLISH
The watched pot does not boil.
INTO JAPANESE
見守った鍋は沸騰しません。
BACK INTO ENGLISH
The pan you watched does not boil.
INTO JAPANESE
見たフライパンは沸騰しません。
BACK INTO ENGLISH
The frying pan seen does not boil.
INTO JAPANESE
見たフライパンは沸騰しない。
BACK INTO ENGLISH
The frying pan you saw doesn't boil.
INTO JAPANESE
見たフライパンは沸騰しません。
BACK INTO ENGLISH
The frying pan seen does not boil.
INTO JAPANESE
見たフライパンは沸騰しない。
BACK INTO ENGLISH
The frying pan you saw doesn't boil.
it is unlikely that this phrase will ever reach equilibrium