Thus we say: You never know, which is why. but You never know. That is why.
Understanding the Context
And goes on to explain: There is a subtle but important difference between the use of that and which in a. Nov 7, 2013 · The question is: why did the English adapt the name pineapple from Spanish (which originally meant pinecone in English) while most European countries eventually adapted the. Nov 25, 2010 · Maybe I could say the question with why is a blunt question, whereas the question with how come indicates we admire that the person spoken to has such great knowledge.