Begging for help, I feel familiar with Yan. Extension of the word 150

Time will never stop, and the flowers that once bloomed in spring will fade with the passage of time. What a helpless thing it is at this moment! Swallows fly back, just like the departing swallows, but they can't tell whether they are the former swallows or not, but they give people a feeling of deja vu. Just like this, years change, there is nothing eternal, and people should grow old slowly according to the laws of nature. Life is too short to be sad and cherished. What are you adding to yourself? ..