“Realising I might say something I’d regret, I decided to leave the studio to cool down,” he wrote for the Mail On Sunday.
“I knew it wasn’t a good look, the great snowflake-basher running away from confrontation. And on reflection, I shouldn’t have done it.
“But in the heat of the moment, in my rather strained state of mind, this seemed the less worse option.”
The presenter recently claimed he has been approached about a potential return to the ITV show by a third party.
Piers’ colleague Lorraine Kelly has also predicted he will be back on the show “in some shape or form”.