What is the concept of 'half-truths' and their implications?

The host defines 'half-truths' as statements that contain some truth but are misleading. They are often used to avoid outright lying while still deceiving the listener. The implications of half-truths can be just as damaging as outright lies, as they can erode trust and lead to misunderstandings. The host stresses the importance of honesty and transparency in communication to maintain healthy relationships.