The ability to delude yourself may be an important survival tool.
Just think: your family are the people most likely to give you the flu.
It's one thing to tolerate a boring marriage; a boring affair does not make sense.
A sobering thought: what if, at this very moment, I am living up to my full potential?
I have gained and lost the same 10 pounds so many times over and over again my cellulite must have deja vu!
I may not be great at geometry but I know one theorum. The longest distance between two points is you and your parents.