I believe self esteem is about how confident one is with themselves and whether they are happy around people; if they have a low self esteem it means the person does not believe in themselves and sees themselves as not upto some sort of standard.
Unexpected means it was something you did not "expect" to happen such as a car crashing into you which means this is wrong.
Unfair is any injury.
Unnecessary means it was never needed and could have been prevented/not done therefore unnecessary is the best term.
You are more likely to gain weight if you consistently eat a:
b. larger-than-normal meals
B: situations, people, and events
