Answer: it is easy to find one perfect test to tell you all you need to know.
Explanation: since you are carrying out a self-assessment test, you will come across different tests during your research, not to determine which of the tests to go with, the best one which suites the purpose you need it for would be selected.
Answer:
"Two faced" means that someone is fake, or not appearing to be who they really are. Rather than simply saying someone has a dual-personality, calling someone "two faced" negatively implies that a person is wicked, untrue, or dishonest in some way, shape, or form.
Explanation:
Hope this explanation helps!