Of course she could still be bicurious (with the tendency to women then as it seems) but what is in Left Behind is definitely one true and stated part about her. For the whole bicurious thing I may refer to her 
(SPOILER)looking at a men magazine and saying she wants to see what is so great about it.
	
		
			
			
				
					
 Originally Posted by 
tony12
					 
				 
				Regardless of what Druckman said he was thinking when he was trying to  write that particular scene I don't think too much should be made of one  kiss in a post apocalyptic world where you will really try to cling to  people you tend to get a long with no matter which sex they are.
			
		 
	 
 So basically you say no matter what creators say it doesn't matter.  And that makes stories in general useless as they are written with an  intention and if that intention is ignored it is not the true story.