Doing all the things
I once dated a pathological liar. He lied sometimes when the truth would serve him better. It was all a game to him to see how many people he could fool. The problem is, the more you lie, the more you get tangled up in the lies, and eventually, you are saying stupid things that are easily disproven or that are incriminating or that contradict what you said before. Few know when to stop IME. I see that in Trump.