Happiness can be seen as delusional. So if we replace the word happiness and its other forms with it’s delusional counterpart you truly enter the cynics’ world.
Some well known phrases turn dryly wry.
‘Life, liberty and the pursuit of delusions.’ – American declaration of independence
‘And they lived deluded ever after.’ – that fairy tale thingy.
‘I am so deluded.’ – People in love
‘Deluded all the time.’ – Worship songs from a particular era.