Lyric Interpretation - STORMS

[Jo and Jensen]

I am not sure that Storms is about Mick. During the long Tusk interview where Stevie reviews each track of the album, she says that Storms and Beautiful Child were written "about three years" before Tusk. Tusk was 1979, so that means the songs date to 1976.
Mick was during the Rumours tour which was 1977, right? I will admit that I am biased in favor of Lindsey, here...so I think the songs are about him. But, if they are not about LB, Stevie's quote leads me to believe that they are not about Mick, either.

Jo