Why am I writing this paragraph? Because it's the weekend.
Why do I need to write this paragraph when the weekend arrives? Because the weekend is worth celebrating, worth cheering for.
Why am I writing this paragraph on this particular weekend? Actually, there is no specific reason, it's just that at a certain point in time, in response to certain reactions, in combination with external factors and internal reasons, and in some indescribable opportunities, I am writing these words this weekend. This is the logic of treating every second as serendipity.
Why is the weekend worth me writing this paragraph? Actually, it's a bit too much to elevate myself - I am qualified to celebrate the weekend, not the other way around.
Why is it specifically this paragraph? Because among many possibilities, I can only choose to write down one possible text.
Why did you choose to read this paragraph? Actually, it has nothing to do with me, I just believe that everyone who has made it through the weekdays deserves to be celebrated, just like I am celebrating this weekend.