OK, I know it isn't kosher, but what is the shiur? And do we hold "chetzi shiur assur min haTorah"? For an application, what if you get a cut while hiking in the woods; is it assur to clean the wound ...
There is a bracha (blessing) made after the first time a Chosson and Kallah have relations in the case that she was a basuleh (when there was a complete bia.) The makor for this Bracha is the Rosh ...