It suddenly struck me that we only have 7 or 8 decades of life, and half of it is already gone. Life suddenly feels so short! When I was in the university in the US, I liked a girl, we used to cook and eat together, spent hours on the phone discussing a lot of things, she called me when she went to buy cloth or jewelry, “Does this look good on me?” she would ask. Once she was looking at the miniest of the mini skirt and asked me, “How about this?”. I examined it for some time and hesitated a little, but asked her with concern, “What if…