Sentence 1: I was six years old when I lost my first tooth. 
 Sentence 3: He told me how much it would hurt, and I fell into an uneasy sleep 
 Sentence 4:  I woke up to realize there was a small bloodstain on the couch 
 Sentence 5:  The tooth was out, and it hadn't caused any pain! 
 Option 1: I had been nervous to lose it because of my cousin. 
 Option 2: I had been excited to lose it because of my cousin.