Unfortunately, she was kidnapped for 39 of their 40 years of marriage.
Picture Baby Mario & LuigiApril 09, 2012
Yoshi left them with the babysitter.
Picture Ghostbuster LuigiSeptember 09, 2011
Ghosts cover their eyes in fear every time he looks at them.
Picture Mario Kart GirlsJuly 28, 2011
So one is wearing a Mario hat, and the other is wearing Luigi's head AS a hat. That's either a lack of coordination, or the penalty for placing second is pretty steep.
Picture Darth Mario CosplayJuly 28, 2011
Turns out falling into lava pits dramatically increases your chances of turning to the dark side.