He likes a good yarn. I'll give you that.
No, rambles – as in walking the West Highland Way. A new two-part BBC Scotland documentary follows the River City and Small Faces star as he sets out to complete the 96-mile route from Milngavie to Fort William.
Is he a keen walker?
According to Robertson: "I've always been a rambler. There's nothing I love more than sauntering through the well-trodden paths of Scotland. I'd been wanting to give the West Highland Way another go having a couple of failed attempts in my youth."
Tell me more.
A heart-warming and humorous video diary charts his progress through the majesty of Scotland's scenery. The opening episode covers the 47-mile stretch to the halfway point at Crianlarich. Joining Robertson for the first 20 miles is actor Steven Duffy, who played his brother in Small Faces.