Sentence 1: Jani was stuck in bed with a fever for a few days. 
 Sentence 3: She cannot stay still for that long 
 Sentence 4:  Jani eased into some pilates 
 Sentence 5:  She could tell she wasn't one hundred percent yet 
 Option 1: She was feeling better than ever after she started exercising again. 
 Option 2: Since feeling better, she's been anxious to exercise again.