You know, where I come from, sometimes we call our girlfriends "Mama"...
When I was a kid, my grandfather always called my grandmother "Mother", but in retrospect, I think that was at least partly a snarky reference to her similarity in temperament to her sister, who was the mother superior of a convent. :)
Just maybe if you could call me "The Commander's Woman" right now, that would be great...It'd be great if you'd stop calling me "Mama" around this time....so hey...No?