Sentence 1: My friends invited me to the bowling alley. 
 Sentence 3: Unfortunately my skills were worse than I thought 
 Sentence 4:  After missing all the pins, I sat down depressed 
 Sentence 5:  However, I became happy when I saw how bad everyone else was 
 Option 1: I was nervous because I hadn't bowled in years. 
 Option 2: I was excited because I hadn't bowled in years.