Sentence 1: Liz realizes that her diet does not include enough water. 
 Sentence 3: At first she finds the habit tedious 
 Sentence 4:  But eventually she enjoys having more water 
 Sentence 5:  Liz is happy that she has changed her habits 
 Option 1: Liz decided to drink cocktails with more ice in it. 
 Option 2: She decides to start trying to drink more water every day.