Chossid: “When it’s raining outside to you eat and sleep in the sukkah or you go inside? I don’t know, but guessing that you go inside and rely on the retroactive hetter, even though the Rama says we should be machmir.”
“Retroactive heter”?! There is no retroactive heter if it’s raining and the rain ruins your food or disturbs your sleep. It is a halocho paskened openly by ALL poskim. The only “retroactive heter” is not sleeping in a sukkah when the weather and other physical considerations do not disturb, and that is where the Rema says that it appears to him that the reason people don’t sleep in a sukkah is…
That is a “retroactive heter”.