We have two dogs, both rescued.  I was never one for cats until my Mom got a couple of them and they're very nice.  One was put down last year unfortunately due to an illness. 
 
Go for a cat.  Easier to train than a dog.  Less worry if you need to leave the house for a day or two. 
		
	
		
		
		
		
			
		
		
		
		
	
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