Reasons the 'Once Saved, Always Saved' Doctrine is a False Teaching

From the macroscopic perspective, the bible does not teach once saved always saved.

Most proponents of the theory try to show evidence in the bible (for Once Saved Always Saved), for example:

Moving on, we find real scriptural evidence that Once Saved Always Saved is False.

On a side note, the bible never actually contradicts itself. We as humans misinterpret things. In our case here, it is more logical to follow what the bible does say about the subject, leading us to believe that we can lose our salvation if we are not Good Christians:

Twenty One Signs of Becoming a Luke Warm Christian (by Pastor Kevin Shale) (Since you are lukewarm, I will spit you out) (Rev 3:16)

21 Warning Signs of Becoming a Lukewarm Christian (Video)