Sentence 1: Phillip had little to do after work most days. 
 Sentence 3: He decided to check out the coast's regulars 
 Sentence 4:  Phillip discovered his co-worker was a diving enthusiast 
 Sentence 5:  She encouraged him to get licensed, and the hobby enriched his life 
 Option 1: One day he decided to ask Kelly out on a date. 
 Option 2: One day, he heard of a whale shark sighting half a mile from his home.