Sentence 1: Becky has been a vet for twenty five years. 
 Sentence 3: Being a vet is hard work 
 Sentence 4:  Becky gets up before dawn and doesn't go to bed until midnight 
 Sentence 5:  Thankfully, she loves what she does! 
 Option 1: She works with animals of all sizes but likes horses best. 
 Option 2: She has cut back her hours to part time.