Answer the questioner, not the question

The following is an excerpt from a samvaad (dialogue) session with Acharya Prashant.

Questioner (Q): In daily routine life, sometimes we say we should speak the truth, and truth only, and avoid speaking lies. But once you are speaking the truth, you are more relaxed and you don’t have to think every time what the lie was. So, should we speak the truth all the time?