Maybe because they're in love with the person and believed that it won't happen again.
This is when you lose weight, gain weight, then lose weight, then gain more weight than you had before!! It can go on for a very long time. Many obese people suffer from this.
C. The individual with high muscular fitness would also have a lower chance of becoming injured.
ER=Emergency Room. V/S=Vital Signs. Hope this helps :)