Headstone epitaph secret message

This is a real epitaph carved into a headstone located at Notre-Dame-des-Neiges Cemetery in Montreal, Quebec:

JOHN,

FREE YOUR BODY AND SOUL
UNFOLD YOUR POWERFUL WINGS
CLIMB UP THE HIGHEST MOUNTAINS
KICK YOUR FEET UP IN THE AIR
YOU MAY NOW LIVE FOREVER
OR RETURN TO THIS EARTH
UNLESS YOU FEEL GOOD WHERE YOU ARE!

MISSED BY YOUR FRIENDS

The verse appears on the back of John Laird McCaffrey’s headstone after he died aged 54 on August 14, 1995. Anybody strolling through the sombre Section 1300+ of the Notre-Dame-des-Neiges cemetery might also notice that the message projected by the deceased Irish guy from the Point spells "F***YOU" when read vertically.

The cryptic message occurred to the monument maker after he finished sandblasting it into stone. “Afterwards, as I’m done, I’m looking at it and I’m like, ‘Wow.’ I noticed it just like that. This guy’s ex-wife and mistress came in together and ordered the stone. They said the message represented him. It was a thing between the three of them,” says John.