I would go with invisibility. Time travel can mess stuff up.
EDIT: I'm glad this is back. Many memories in this thread.
						
					
					
				- 
   
	1 Reply>goes back in time with gf >goes on awesome adventures doctor who style >she digs that stuff so insta-lovin' >if we ever break up take her back to her time and kick her out >find new gf >wash and repeat
 
										 
					 
		    