Sentence 1: Bob liked to pick the skin on his feet. 
 Sentence 3: He didn't take care of the wound, and it became painfully infected 
 Sentence 4:  He had to go to the doctor to get antibiotics 
 Sentence 5:  After that he never picked at his feet again 
 Option 1: Eventually he had picked it so much that it started to bleed. 
 Option 2: He applied some Newskin that healed his feet quickly.