He feels guilty because he is living a lie.
live a lie
idiomTo conceal something about oneself, without the knowledge of which others cannot know one's true character or perspective.
She felt trapped in her marriage, knowing that pretending to be happy meant she was living a lie.
For decades, he maintained a facade of success, yet he knew deep down that he was living a lie that would eventually unravel.
- 01
give the lie
To respond to an insult, accusation, or falsehood by saying the offender is lying, particularly in the context of provoking a challenge to a duel.
- 02
give the lie to
To reveal or prove (something) to be false; to refute.
- 03
I can't lie
To be honest, frankly, honestly.
- 04
I tell a lie
I am mistaken; I thought that what I said (or wrote) was true, but I have just realised that it is not.
- 05
let a sleeping dog lie
Alternative form of let sleeping dogs lie.
- 06
let sleeping dogs lie
To leave things as they are; especially, to avoid restarting or rekindling an old argument; to leave disagreements in the past.
- 07
lie at someone's door
To be the fault or responsibility of someone.
- 08
lie back and think of England
Synonym of close one's eyes and think of England: to accept unwanted sex due to social pressures.