单项选择题

One day before my final exam, my dad gave me a gift. It completely (41) my life.
On that day I had a (42) with my friends and it was a difficult time with my studies, too. I was (43) . Then I noticed the gift, I opened it and saw a DVD inside. Its name was "THE SECRET". (44) , I was in no mood to watch it. I sat down to study, but the (45) in my life—the fight, the sleepless nights and my poor health...everything came to my mind. I wanted an (46) but I wondered if there was any. Just then, I saw the DVD again. Maybe it would be helpful. I turned on my DVD player. I had no words to (47) the feelings. I experienced while watching it. The moving stories of human beings made me so moved that I (48) not forget any of them.
Thanks to my father’s gift" THE SECRET", I discovered myself. Everybody has difficulties in their lives. The important thing is that you should be (49) enough to face them. Now I have started getting on well with my studies and my friends. And I am in good health, too. I often hear people say, "What a perfect (50) you have!\