So Much So That
This expression is used to emphasize the content of the following clause by indicating the degree to which the situation or state of affairs in the preceding clause describes it.
It is often used in a metaphorical sense.
This expression can be replaced with -(으)리만큼 and -(으)ㄹ 정도로 with no major change in meaning.
Very similar to -ㄹ 정도로 or -ㄹ 만큼 (but less common), it expresses the extent of a verb or adjective.