Sentence 1: I weighed myself 4 months ago for the first time in a year. 
 Sentence 3: I knew I had to make some changes to live healthier 
 Sentence 4:  I started exercising again and cleaned up my diet 
 Sentence 5:  I have lost 16 pounds since that day 
 Option 1: I was astonished to see how much weight I had gained. 
 Option 2: I was pleased that I hadn't gain any weight.