Hello ShortStorians, 

We have an uber-short challenge for you.

Share with us a story about a lie in 25 words exactly (no more, no less).

Example

It is easy to discern a lie from her; she has this tell where she touches her neck every time a lie passes her lips.

You can have more than one sentence if you wish and offer up as many examples of this challenge.

All entries in the comments, please.

We look forward to your lovely answers!