Most people would probably agree with me that lying is, generally, a “bad” thing (although sometimes one might lie for the “right” reasons).
But constructing lies, in general, requires time and effort. It requires the liar to make the facts fit their story, remember exactly what pieces of information they told to different people, and think ahead constantly. This is a waste of precious resources of the mind.
On the other hand, the more open, upfront and honest you can be, the less you have to remember about who you told what. You simply present the truth. And that can be liberating.
Are you wasting energy by lying rather than simply just becoming comfortable and confident with the truth?
PS My favourite book of all time is Radical Honesty by Brad Blanton. It is wise, insightful and liberating – highly recommended.