Sentence 1: Ron had just switched from freelancing to working in an office. 
 Sentence 3: At first he had a hard time adjusting and he even almost quit 
 Sentence 4:  Luckily he stuck it out and in a few weeks he felt better 
 Sentence 5:  He started to enjoy his job a lot over time 
 Option 1: He loved it. 
 Option 2: He was nervous about the new lifestyle change.