What is the source or reason that a l'chaim is often said over a drink of alcohol instead of any other beverage, or over other foods, or even over no food at all?
The most common responses I've heard to a wish of "l'chayim!" ("life!") is "l'chayim tovim ulshalom" ("a good life and peace!") except from Lubavitch chasidim and "l'chayim v'livracha" ("life and ...