The suffixes -ible and -able mean able to be done based on this understanding, you can infer that the definition of the word infallible is

a. a bias or natural liking for something

b. a task you undertake on your own

c. an event that occurs between two other events

d. something or someone that is not capable of making a mistake

the main character of "the secret life of walter mitty" retreats into a false pretense as a means escape from his mundane reality -- this is a flagrant issue seen in societies abroad, typically found in young adults and it is robbing our youths of their childhood.

explanation:

a thesis -- a well developed, formal thesis is required to be one sentence long. there are many themes in "the secret life of walter mitty" and i had resolved to give you one of the simpler ones while still honing it with class.