Quote Originally Posted by Darth Ultron View Post

Mismatch- So G'Kar and Mariel have an affair/relationship? Seems like a real odd couple. Sure G'Kar...somehow...likes women of all races...but Centauri ?!? He really dislikes Centauri...or does like he only want to kill the Centauri men?
More like a one night stand. It's established that G'kar will sleep with pretty much anyone, but in this particular case it's pretty clear he's doing it to spite Londo. I suspect Mariel is doing it for the same reasons, given how much Londo and his wives hate each other.