It's not just one thing, it's a culmination of how things have panned out.
He was fantastic for most of the season but his form has dipped.
Our football has been disjointed and Howe himself used those words, and that doesn't do a footballer like him any favours.
I'm just running through a few things which might lead to these rumours that he's considering his future. That's not to say they are true, but it's not impossible his agent is trying to turn his head.