I found that if I take my wife with me my milage goes from 7 mpg to 11.5 mpg. I can't figure that for nutin' but its true
I have the same problem. Must be the "you better slow down your gonna get a ticket or get us killed, look out for that bike". I get better mileage but the trip takes longer . If I drive over 70 I'm "drivin like an idiot" . Ofer to let her drive but no.