yes. if you are a real fan, you will calmly yet clearly explain to her that girlfriends come and go but your love of the bills is, unfortunately, forever. as a result, you are unable to do anything on that sunday or any other sunday during the season regardless of how important it is to her. and you might not be able to do anything on the occasional monday or thursday depending on the whims of the nfl's schedule makers.
if the choice is between her and thaddius lewis, you choose thaddius lewis -- and that's just the way it is.
well, unless they move. if that happens, your weekends will be wide open, leaving you available for weddings, engagement parties, co-ed bachelor/bachelorette parties, gender reveal parties, bar mitvahs, bat mitvahs, tupperware parties, or whatever other flights of fancy she so chooses to sign you up for.
regardless, enjoy the garbage plate.