The grass is wet because it rained last night. This seems the simplest and most elegant expression of the meaning. I am always suspicious of reason (s) and why being next to.
Understanding the Context
Why is it that everybody wants to help me whenever i need someone's help? Why does everybody want to help me whenever i need someone's help? Can you please explain to me. I have flunked the exam, that is why i am attending coaching classes.
Image Gallery
Key Insights
I have flunked the exam, which is why i am attending coaching classes. Is there any change in the meaning of sentence. Good explanation of why it's optional in this case, although i'm not convinced that reason is the only reasonable antecedent of why. For example, the explanation why is a common usage,. Why is used here as an interjection.
Final Thoughts
According to merriam-webster: —used to express mild surprise, hesitation, approval, disapproval, or impatience