OBVIOUS RIDDLES

The 5th kids name is What. "What is the name of the 5th kid." Did you answer this riddle correctly?
YES  NO  

The mother. In order for Mark to be a single dad, the mother had to leave him and the kids first. Did you answer this riddle correctly?
YES  NO  

5 years old Did you answer this riddle correctly?
YES  NO  

His JOB!

Given question is a riddle which is interesting one. Hints are given in the riddle.

In the question, it's given that he's ex police man. It means he already lost his job.

"Ex" is used to show that someone is no longer in that situation. Here, Ex policeman mean he's no longer working as police. The prefix "ex-" refers to someone who no longer working, could be retired or fired. Thus, the first thing that he lose his job whether it is retired or fired.

First he lost his job, then he lost his house, car and finally he lost his girlfriend. Did you answer this riddle correctly?
YES  NO  

Your eyes because you are sleeping! Did you answer this riddle correctly?
YES  NO  

Her eye sight Did you answer this riddle correctly?
YES  NO  

His car door! Did you answer this riddle correctly?
YES  NO  

Your eyes Did you answer this riddle correctly?
YES  NO  

I forgot my change! Did you answer this riddle correctly?
YES  NO  

Her heart. Did you answer this riddle correctly?
YES  NO  

The baby! Did you answer this riddle correctly?
YES  NO  

It's lid Did you answer this riddle correctly?
YES  NO  

The other half Did you answer this riddle correctly?
YES  NO  

We have 2 eyes also! Did you answer this riddle correctly?
YES  NO  

A teenager! Did you answer this riddle correctly?
YES  NO