The Tom Tom Blues

I want to get a Tom Tom Or any make of Satnav But my lady wife won’t hear of it Not all the time I have Her to map read for me And give me vague directions Saying left instead of right At all the intersections But it’s always my fault When we take another detour Though it’s her not paying attention I don’t want to do this anymore For she doesn’t really map read She only reads her women’s mag But that’s what I’m stuck with A fifty year old sat nag