At the end of the day, truth matters. Eventually, in one way or another it surfaces. Learning to detect the earlier signs may save you a lot of pain and aggravation.
Nature has no love of truth. It's about winning, which is to say living to reproduce. Because we are not biologically designed for integrity, we must actively attempt to prevent the social cultivation of dishonesty.
A deception epidemic is upon us. When confronted with difficult decisions, don't act while the judicious, fair-minded, and enlightened jury--even if it's only the one in your own head--is still out.